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Electrocardiogram patents



      
           
This page is updated frequently with new Electrocardiogram-related patent applications. Subscribe to the Electrocardiogram RSS feed to automatically get the update: related Electrocardiogram RSS feeds. RSS updates for this page: Electrocardiogram RSS RSS


Ecg-enabled personal emergency response systems

Ecg-enabled personal emergency response systems

Electrocardiogram sensor and method of processing signals using the same

Samsung Electronics

Electrocardiogram sensor and method of processing signals using the same

Electrocardiogram sensor and method of processing signals using the same

Seoul National University Bundang Hospital

System and method for assessing treatment effects on obstructive sleep apnea


Date/App# patent app List of recent Electrocardiogram-related patents
08/20/15
20150230757 
 Electrocardiogram (ecg) sensor and  operating the same patent thumbnailElectrocardiogram (ecg) sensor and operating the same
An electrocardiogram (ecg) sensor includes a motion artifact detector configured to detect a motion artifact component from a first channel signal of a first channel and a second channel signal of a second channel using a channel offset coefficient. The channel offset coefficient indicates a difference between the first channel signal and the second channel signal.
Samsung Electronics Co., Ltd.


08/13/15
20150228176 
 Ecg-enabled personal emergency response systems patent thumbnailEcg-enabled personal emergency response systems
The invention provides personal emergency response systems (pers) with expanded life-saving capabilities. One embodiment of the invention provides a wearable pers pendant that incorporates a cell phone transmitter or transceiver, a gps location system, an accelerometer-based fall detector that automatically triggers an alert, and an electrocardiogram (ecg) recorder permitting a remote service center or medical personnel to receive and respond to transmitted alerts and electrocardiographic data..

08/13/15
20150223758 
 Electrocardiogram sensor and  processing signals using the same patent thumbnailElectrocardiogram sensor and processing signals using the same
An electrocardiogram (ecg) sensor includes an analog front end device configured to remove a dc offset in a first ecg signal received from a measuring electrode, and adjust a gain amplification value based on the first ecg signal. The analog front end device is configured to output an adjusted first ecg signal, the adjusted first ecg signal being based on the adjusted gain amplification value and the removed dc offset in the first ecg signal.
Samsung Electronics Co., Ltd.


08/13/15
20150223699 
 System and  assessing treatment effects on obstructive sleep apnea patent thumbnailSystem and assessing treatment effects on obstructive sleep apnea
A system and method for assessing treatment effects on obstructive sleep apnea are provided. The apparatus includes a bio-signal measurement unit, a combined index calculation unit, and a treatment response assessment unit.
Seoul National University Bundang Hospital


08/06/15
20150216433 
 Impedance waveform monitoring for heart beat confirmation patent thumbnailImpedance waveform monitoring for heart beat confirmation
Implantable systems and methods directed toward improved accuracy in cardiac signal analysis. An impedance waveform is captured and used to confirm the analysis performed by the system on electrical signals or electrocardiogram.
Cameron Health, Inc.


07/23/15
20150206364 
 Preauthorized wearable biometric device,  use thereof patent thumbnailPreauthorized wearable biometric device, use thereof
Embodiments are directed towards authenticating users using biometric devices. The biometric device may be arranged to capture one or more biometric feature of a user that may be wearing the biometric device such as biometric features that correspond to an electrocardiogram of the user.
Bionym Inc.


07/23/15
20150201859 
 Analysis of direct and indirect heartbeat data variations patent thumbnailAnalysis of direct and indirect heartbeat data variations
One method for measuring variability between direct heartbeat data and indirect heartbeat data includes: receiving first heartbeat data from an electrocardiogram over a period of time; receiving second heartbeat data from an indirect measure of heartbeat data over at least a portion of the period of time; calculating, by a computing device, a difference between the first heartbeat data and the second heartbeat data; and comparing the difference to determine a variation.. .
Welch Allyn, Inc.


07/23/15
20150201858 
 Diagnostic device for remote sensing and transmitting biophysiological signals patent thumbnailDiagnostic device for remote sensing and transmitting biophysiological signals
A diatrophic, bio-physiological interface is self-contained with onboard intensification, filtering, and signal processing and is wirelessly enabled (idio-electrode), with multiple sensory system for bio-physiological measurements, described herein utilizes spatially resolved potential profiles from a cluster of mini electrodes to form constituent sets comprising mini sensorial electrodes. The sets of sub electrodes containing the clusters are jointly optimized to attain measurable gradient of some diagnostic value.
Global Cardiac Monitors, Inc.


07/09/15
20150190069 
 Electrocardiography measurement method and an electrocardiography measurement device applying the same patent thumbnailElectrocardiography measurement method and an electrocardiography measurement device applying the same
In an electrocardiography measurement method and device, a signal processor determines a baseline value, a maximum wave amplitude value, and a minimum wave amplitude value in an electrocardiogram signal. When the signal processor determines that a difference of the maximum wave amplitude value minus the baseline value is less than a difference of the baseline value minus the minimum wave amplitude value, the signal processor performs a correction process for correcting the electrocardiogram signal..
Wistron Corporation


07/02/15
20150182173 
 Image diagnostic apparatus and method, and recording medium patent thumbnailImage diagnostic apparatus and method, and recording medium
The image diagnostic method includes acquiring an electrocardiogram (ecg) signal of an object, selecting a scan protocol used to reconfigure a heart image of the object, based on the acquired ecg signal, and providing a user with information used to propose the selected scan protocol.. .
Samsung Electronics Co., Ltd.


07/02/15
20150182141 

Biological state analyzer and computer program


A novel technique for analyzing a biological state is provided. A body trunk biological signal (aortic pulse wave) extracted from the back of a body trunk is differentiated twice.
Delta Tooling Co., Ltd.


06/25/15
20150173654 

Activity, posture and heart monitoring system and method


A system and a method for monitoring activity and posture of a person in correlation with the person's heat activity, comprising a) simultaneously detecting first linear accelerations and first angular speeds of rotation of an upper part of the person's body, second linear accelerations and second angular speeds of rotation of a lower part of the person's body, and the person's electrocardiogram signal; and b) determining the person's activity and posture from the first and second linear accelerations, the first and second angular speeds of rotation, and at least one of: i) a derivation signal, ii) heart rate and iii) a respiratory rate, of the person from the electrocardiogram signal.. .
Solutions Novika


06/25/15
20150173638 

Direct comparison of multiple healthcare waves


Methods and systems are directed to the evaluation of a particular healthcare activity by comparing the plurality of waves of the healthcare activity from two or more of the same healthcare activity. This includes the electrocardiogram (ecg or ekg) and its use in comparing two or more ecgs of a patient.
Cerner Innovation, Inc.


06/18/15
20150165211 

Optimization of pacemaker settings with r-wave detection


The system provides information to facilitate efficient optimization of programmer settings for cardiac pacemakers. It simultaneously measures a patient's electrocardiogram and peripheral blood pressure (or volumetric displacement) waveform in order to calculate, in real-time and non-invasively, a value correlated to the pre-ejection time (pet) and, optionally, ejection duration (ed) for the patient's left ventricle.
Atcor Medical Pty Ltd


06/11/15
20150157238 

Method for non-contrast enhanced magnetic resonance angiography


A method for non-contrast enhanced magnetic resonance angiography (“mra”) that has a short scan time and is insensitive to patient motion is provided. More particularly, the method provides significant arterial conspicuity and substantial venous signal suppression.

06/04/15
20150150753 

Instrumentation absolute value differential amplifier circuit and applications


An instrumentation absolute value differential amplifier (212) is used as part of an electroencephalogram, electromyogram or electrocardiogram to quantify the excitation state of a user, processing and transmitting this information as a control signal for a user feedback device. In one embodiment, this feedback device comprises a wireless sex toy (500) which responds to the sent control information, acting as a mind-controlled sex toy.

06/04/15
20150150518 

Multimedia terminal with vital parameters monitoring


Multimedia terminal with vital parameters monitoring, commonly used in hospitals and homes to enable access to communication networks, tv and multimedia contents to bed-ridden persons. A multichannel measurement module showing readings on the same screen, including electronic circuits and connection for probes for electrocardiograms, pulse oximeters, tensiometers, temperature sensors, etc.
Medip Health, S.l.


06/04/15
20150150471 

Systems and methods for interelectrode distance optimization in a retractable multi-use cardiac monitor


A retractable multi-use cardiac monitor is provided that includes a memory, and first and second sensing connectors positioned on outsides of first and second housings, respectively. The first and second sensing connectors are configured to detect electrocardiogram (ecg) signals that are stored onto the memory as ecg data.
Medicomp, Inc.


05/28/15
20150148696 

Electrocardiogram pace pulse detection and analysis


Data is received characterizing an electrocardiogram (ecg) measured from a patient having a pacemaker. The pacemaker can intermittently provide a pace to a heart of the patient.
Draeger Medical Systems, Inc.


05/28/15
20150148634 

Ambulatory diagnostic device and method thereof


The present disclosure relates to a device and method for acquiring and processing sensor signals on a host device. The device comprises a jack and connects to a socket on the host device.

05/28/15
20150148618 

Physiological monitor and methods for placement and wear


Physiological monitors are disclosed, as are systems and methods in which they are used. The physiological monitors are generally horseshoe-shaped and are sized and adapted to fit around the base of the neck.

05/21/15
20150141859 

Systems and methods for cardiac rhythm variability analysis


Systems and methods are provided for the study of the cardiac rhythm variability. These systems and methods include the recording of the electrocardiogram (ekg), with subsequent calculation of the duration of the beat-to-beat intervals (i.e., r-r intervals), drawing up of the rhythmograms, and additional systems and methods that include determination of, throughout all observation times within particular intervals included in the recording periods, the average values of the informational entropy of the beta-distribution (ae) of the r-r intervals, the differences between the maximum and minimum values of the informational entropy of the beta-distribution (mde) of the r-r intervals, the root-mean-square deviations of the informational entropy of the beta-distribution (rmsde) of the r-r intervals, and/or variation factors of the informational entropy of the beta-distribution (vfe) by means of calculation of the informational entropy of the beta-distribution of the r-r intervals..

05/21/15
20150141790 

Sensor instrument


A sensor instrument for generation of electrocardiograms, in particular for cardiac computed tomography, has two electrodes, an electronic module and a support, wherein multiple suction elements for affixing the support to the body of a subject (are positioned on the support.. .
Siemens Aktiengesellschaft


05/14/15
20150134018 

External cardiac defibrillator system for household use


External cardiac defibrillators that include automatic or semi-automatic self-contained defibrillators to be used by non-health professionals (physicians, nurses and other specifically trained persons). A power subassembly in an automatic or semi-automatic cardiac defibrillator system which, associated with a computer device, is capable of diagnosing a patient's condition by performing a simplified electrocardiogram, transmitting the data to the electronic device and supplying, controlled by this device, electric shocks to the patient, and also providing or contributing to further ancillary defibrillation functions..

05/14/15
20150133808 

Noninvasive atrial activity estimation system and method


Provided is a non-invasive system for estimating an atrial signal, including a plurality of sensors to sense a surface electrocardiogram signal, a reference atrial signal generation unit to generate an estimated ventricular signal with respect to a r wave in an electrocardiogram signal from one sensor among the plurality of sensors, and to generate a reference atrial signal by subtracting the estimated ventricular signal from the electrocardiogram signal from the one sensor, and an atrial signal estimation unit to generate an estimated atrial signal by applying a constrained independent component analysis algorithm based on the reference atrial signal to the received surface electrocardiogram signal, and to estimate one of the estimated atrial signals as an actual atrial signal, and a method using the same.. .

05/07/15
20150126885 

Resuscitation enhancements


A system including a sensor interface coupled to a processor. The sensor interface is configured to receive and process an analog electrocardiogram signal of a subject and provide a digitized electrocardiogram signal sampled over a first time period and a second time period that is subsequent to the first time period.
Zoll Medical Corporation


05/07/15
20150126877 

Seat having integrated ekg-electrodes


A bio-measurement data recording device has a seat which has a back surface made of a foam material, a seat surface, and a plurality of back surface sensors embedded in the back surface such that a plurality of leads for an electrocardiogram of a the person can be received. At least two seat surface sensors are embedded in the seat surface.
Almanaa Trading Est. K.s.a.


05/07/15
20150126847 

Method and system to measure ecg and respiration


A method for monitoring the respiration rate of a patient includes attaching a plurality of electrocardiogram (ecg) electrodes and a pressure sensor to a patient, producing a first respiration signal based on variations detected in signals provided by the ecg electrodes attached to the patient, and producing a second respiration signal based on pressure variations detected in the pressure sensor secured to the patient. The method also includes selecting at least one of the first respiration signal and the second respiration signal based on respective signal qualities and producing a respiration rate from the selected signal.
Mindray Ds Usa, Inc.


05/07/15
20150126822 

Congestive heart failure risk status determination methods and related devices


Embodiments relate to devices and methods for monitoring, identifying, and determining risk of congestive heart failure (chf) hospitalization. Methods include determining physiological values of a patient by electrocardiogram (ecg), bioimpedance, and 3-axis accelerometer, filtering the physiological values, comparing physiological values to baseline parameters and determining chf risk.
Medtronic Monitoring, Inc.


04/30/15
20150119734 

Electrocardiogram measuring apparatus and synthesized electrocardiogram generating method


An electrocardiogram measuring apparatus includes: a population coefficient calculating unit which calculates: first population coefficients; and second population coefficients; a personal coefficient calculating unit which calculates: first personal coefficients; and second personal coefficients; and a lead deriving unit which: calculates first personal coefficients of a specific subject based on: a relationship between a magnitude of a ratio of the first population coefficients to the second population coefficients, and a magnitude of a ratio of the first personal coefficients to the second personal coefficients; and second personal coefficients of the specific subject which are calculated based on a leads of the specific subject, the a leads being acquired by electrocardiogram measurement; and synthesizes b leads of the specific subject by using the first personal coefficients of the specific subject.. .
Nihon Kohden Corporation


04/23/15
20150112401 

System and electrocardiogram analysis and optimization of cardiopulmonary resuscitation and therapy delivery


The system and method provide for electrocardiogram analysis and optimization of patient-customized cardiopulmonary resuscitation and therapy delivery. An external medical device includes a housing and a processor within the housing.
Physio-control, Inc.


04/23/15
20150112218 

Analysis of electrocardiogram signals


A method for graphical representation of a train of ecg complexes having an r wave and a t-p interval and having variable isoelectric baselines. The method involves aligning the complexes in terms of signal amplitude by obtaining a baseline, thereby to provide a graphical representation of said train of ecg complexes; and aligning said complexes temporally using corresponding predetermined points..
Bio Signal Analysis Ltd.


04/16/15
20150105765 

Systems and methods of radiometrically determining a hot-spot temperature of tissue being treated


According to some embodiments, systems for energy delivery to targeted tissue comprise a catheter with an ablation member, a radiometer configured to detect temperature data from the targeted tissue, a processor configured to determine a calculated temperature (e.g., an extreme temperature, such as a peak or trough temperature) within the tissue by applying at least one factor to the temperature data detected by the radiometer, the processor configured to compare the calculated temperature to a setpoint and an energy source configured to energize the ablation member and to regulate delivery of ablative energy to the targeted tissue of the subject based at least in part on the comparison. In some embodiments, the factor depends on at least one characteristic of the targeted tissue.
Meridian Medical Systems, Llc


04/16/15
20150105679 

Method and generating synchronization signal using electrocardiogram signal


An apparatus for generating a synchronization signal based on an electrocardiogram signal of a body by obtaining the electrocardiogram signal, outputting a first peak signal when strength of the electrocardiogram signal becomes larger than that of a reference signal, and generating a first synchronization signal depending on the first peak signal is provided.. .
Electronics And Telecommunications Research Institute


04/02/15
20150094604 

Electrocardiogram identification


A defibrillating system includes a processor coupled to a memory. The processor and the memory are configured to identify a treatment event associated with treatment of a victim with the defibrillating system, and transmit a representation of a portion of an ecg signal associated with the identified treatment event.
Zoll Medical Corporation


04/02/15
20150094561 

Reduction of mri interference from the electrocardiogram using lead information


A circuit (32) for use in an magnetic resonance (mr) system to reduce mr interference of a physiological signal s(f) includes a first summing/subtraction node (36), a high pass filter (40), and a second summing/subtraction node (42). The first summing/subtraction node (36)inputs a first signal (34) including radio frequency magnetic interference n(f) and a physiological signal s(f), and a second signal (38) including the physiological signal s(f) and an error signal e(f), and subtractively combines the second signal with the first signal to generate a difference signal n(f)−e(f).
Koninklijke Philips N.v.


03/26/15
20150088215 

External defibrillator


An external defibrillator includes patient electrodes (20) for obtaining the patient's electrocardiogram (ecg) and for applying a shock to the patient. A microprocessor (24) analyses the patient's ecu using a diagnostic algorithm to detect if the patient's heart is in a shockable rhythm, and shock delivery circuitry (10) is enabled when a shockable rhythm is detected by the diagnostic algorithm.
Heartsine Technologies Limited


03/26/15
20150088020 

System and interactive processing of ecg data


A system and method for interactive processing of ecg data are presented. An electrocardiogram is displayed.
Bardy Diagnostics, Inc.


03/26/15
20150088004 

Method for monitoring an accurate heart rate


A method for monitoring a more accurate heart rate of a human or an animal, wherein at least one heart rate or electrocardiogram (ecg) signal and at least one activity signal is measured and wherein, when said measured heart rate or ecg signal is of low quality, the heart rate or ecg signal is at least partially rejected and replaced by a simulated heart rate or ecg signal, which is calculated from a predetermined relationship between the activity signal and the heart rate or ecg signal. By applying this method in real time using on-line modelling a predetermined relationship is continuously updated to have an accurate modelled heart rate..
Biorics Nv


03/26/15
20150087947 

Electrocardiogram package


A device includes a housing; a core contained within the housing and disposed along at least a portion of the length of the housing, the core configured to rotate relative to the housing; a tab configured to connect to a port of a mobile device; and multiple electrocardiogram (ecg) cables wound around the core. A distal end of each ecg cable is connected to the tab and a proximal end of each ecg cable is connected to at least one of a corresponding ecg electrode and a corresponding pad..
Zoll Medical Corporation


03/12/15
20150073820 

Risk stratification of suspected ami patients


The current invention enables a method to improve early diagnosis and risk stratification of ami in patients presenting with chest pain. A quick and accurate diagnosis/risk stratification means that high risk patients can be assigned to the appropriate treatment pathway and low risk patients can be reassured that they have not suffered an ami and alternative causes of chest pain can be investigated.
Randox Laboratories Ltd.


03/12/15
20150073285 

Universal ecg electrode module for smartphone


Apparatuses and methods for sensing an electrocardiogram (ecg) of a subject using an ecg module that may removably connect to a mobile telecommunications device through a base unit, and which may further then wirelessly communicate with the mobile telecommunications device.. .
Alivecor, Inc.


03/05/15
20150065891 

Method and detecting atrial fibrillation


Method of determining atrial fibrillation including determining if a patient's pulse beats form an irregular pattern and only if so, indicating the presence of an irregular pulse to the patient and obtaining an electrocardiogram for determining atrial fibrillation. Initially, a pulse is detected at regular time intervals of a first appendage of the patient when motionless using a pulse detector secured to the first appendage and pulse rhythms from a succession of time intervals are detected each corresponding to a respective interval of time between successive pulse beats of a sequence of the pulse beats.

03/05/15
20150065842 

Clothing with minimized motion artifact having textile electrode kit mounted thereto


A textile electrode kit mounted to the clothing includes a contact-type electrode or a non-contact electrode, and the textile electrode kit may be mounted to a clothing having a lower fixed member configured to reduce a motion artifact and a partially three-dimensional clothing structure by means of sewing. On occasions, the textile electrode kit having a non-contact electrode may be inserted into and used in an electrode-mounting pocket or an electrode-mounting tunnel formed at the clothing.
Konkuk University Industrial Cooperation Corp.


03/05/15
20150065814 

Mobile front-end system for comprehensive cardiac diagnosis


A stethoscope front-end recorder device (also referred to as sleeve) for the chest piece of a stethoscope, which is easily installed and removed. The sleeve is attached to the chest piece of a stethoscope for comprehensive diagnosis of heart issues.
Rijuven Corporation


02/26/15
20150057512 

Wearable heart failure monitor patch


The invention is directed to a system for acquiring electrical footprint of the heart, electrocardiogram (ekg or ecg), heart sound, heart rate, nasal airflow and pulse oximetry incorporated into a mobile device accessory. The ecg and heart sound signals are conveniently acquired and transmitted to a server via the mobile device, offering accurate heart failure analysis, and sleep disorder breathing indication..
Rijuven Corporation


02/12/15
20150042646 

System and patient specific planning and guidance of electrophysiology interventions


A method and system for patient-specific planning and guidance of electrophysiological interventions is disclosed. A patient-specific anatomical heart model is generated from cardiac image data of a patient.

02/05/15
20150039043 

Subcutaneous cardiac sensing and stimulation system


Cardiac systems and methods using ecg and blood information for arrhythmia detection and discrimination. Detection circuitry is configured to produce an ecg.
Cardiac Pacemakers, Inc.


02/05/15
20150038863 

Non-invasive classification of atrial fibrillation by probabilistic interval analysis of a transesophageal electrocardiogram


The invention relates to a computer-implemented method for determining an af complexity value. The method includes applying a template matching algorithm to an ecg signal to obtain a set of candidate deflections and identifying intrinsic deflections within the set of candidate deflections.
Maastricht University


01/29/15
20150032015 

Methods, systems and devices for detecting and diagnosing diabetic diseases and disorders


Disclosed herein methods, devices, and systems for detecting and diagnosing a diabetic disease or disorder in a subject from a prime electrocardiogram which comprises calculating at least one distribution function of the prime electrocardiogram and determining whether the distribution function is indicative of the presence of absence of the diabetic disease or disorder.. .
Dynacardia, Inc.


01/29/15
20150032014 

Determining onsets and offsets of cardiac depolarization and repolarization waves


An exemplary computer-implemented method is disclosed for detection of onset of depolarization on far-field electrograms (egms) or electrocardiogram (ecg)- or ecg-like signals. The method includes determining a baseline rhythm using a plurality of body-surface electrodes.

01/29/15
20150028996 

Preauthorized wearable biometric device, use thereof


Embodiments are directed towards authenticating users using biometric devices. The biometric device may be arranged to capture one or more biometric feature of a user that may be wearing the biometric device such as biometric features that correspond to an electrocardiogram of the user.
Bionym Inc.


01/22/15
20150025560 

Needle for physically separating and penetrating the pericardium


A pericardial needle that punctures a pericardial membrane to attain access into a pericardial space of a heart by advancing a sharp tip until the sharp tip is adjacent to or in contact with a parietal pericardium of the heart such that the puncturing does not damage the heart muscle. The pericardial needle punctures the parietal pericardium when the heart muscle moves towards the pericardial needle, away from the pericardial needle, is at rest and/or is in synchronization with the systolic contraction period of the cardiac cycle of the heart.

01/22/15
20150025403 

Mood analysis method, system, and apparatus


In a mood analysis method using an electrocardiogram of a user, rr intervals in the electrocardiogram are computed, and low-frequency (lf) values and high-frequency (hf) values are also computed according to the rr intervals. Standard values of sympathetic nervous system (sns) activity and parasympathetic nervous system (psns) activity are acquired corresponding to age and sex data of the user, to establish a mood display coordinate system.
Chiun Mai Communication Systems, Inc.


01/22/15
20150025395 

Breathing analysis method, system, and apparatus


In a breathing analysis method using an electrocardiogram of a user, a breathing curve is generated according to r waves in the electrocardiogram, and whether the user is currently taking a breathing out action or a breathing in action is detected according to the breathing curve. A duration of the breathing in action or the breathing out action of the user is computed according to the breathing curve, and a ratio of the duration and a standard time of the breathing in action or the breathing out action is computed.
Chiun Mai Communication Systems, Inc.


01/15/15
20150018702 

Devices and methods for real-time denoising of electrocardiograms


Apparatuses and methods (including methods of using such apparatuses) for de-noising electrocardiograms (ecgs) by manually or automatically adjusting the amount of filtering of an ecg signal. For example, real-time ecg signals may be filtered by combining in a weighted fashion an unfiltered portion of an ecg (or a filtered portion of the same ecg) with the same portion of the ecg that has been filtered.
Alivecor, Inc.


01/15/15
20150018660 

Apparatus for coupling to computing devices and measuring physiological data


Devices, systems, and methods for measuring and monitoring biometric or physiological parameters in a user-friendly and convenient manner are disclosed. Relevant physiological parameters of the user may be measured as the user normally operates a computing device or other hand-operated or hand-held device.
Alivecor, Inc.


01/15/15
20150015417 

Patient monitoring systems and methods


An adherent patient device is configured to adhere to the skin of the patient and measure electrocardiogram data, impedance data, accelerometer data, blood oxygen data and temperature data. The adherent device can communicate wirelessly with gateways and a local processor system, such that the patient can wander about the hospital and update the monitoring station with the patient data when the patient is ambulatory.
Corventis, Inc.


01/08/15
20150011903 

Non-linear filtering for the reconstruction of a surface electrocardiogram from an endocardial electrogram


An active medical device using non-linear filtering for the reconstruction of a surface electrocardiogram (ecg) from an endocardial electrogram (egm) is disclosed. The device for the reconstruction of the surface ecg includes a plurality of inputs, receiving a corresponding plurality of egm signals from endocardial or epicardial electrogram (x1[n], x2[n]), each collected on a respective egm derivation of a plurality of egm derivations, and at least one output delivering a reconstructed surface ecg electrocardiogram signal (y[n]), related to an ecg derivation, and a non-linear digital filter (12′, 12′, 14) with a transfer function that determines the reconstructed ecg signal based on said plurality of input egm signals.
Sorin Crm Sas


01/08/15
20150011902 

Method and system for cardiac ischemia detection


Disclosed herein are methods and systems providing improvements enhancing speed and accuracy in interpreting the electrocardiogram (ecg) for ischemia identification using a graphical presentation. An ischemia criteria and st segment measurements to be tested are graphically presented simultaneously.
Koninklijke Philips N.v.


01/01/15
20150005738 

System and monitoring of guide catheter seating


A method for monitoring the seating of a guide catheter during a catheter procedure includes monitoring at least one parameter of the catheter procedure and determining if the at least one parameter indicates that a guide catheter is out of position. If the at least one parameter indicates the guide catheter is out of position, an alert is displayed and the position of the guide catheter is adjusted.
Corindus, Inc.


01/01/15
20150005653 

Personal electronic devices with unobtrusive ekg-based detection of heart rate and rhythm anomalies


A personal electronic device is configured to unobtrusively detect heart rate and rhythm anomalies utilizing an electrocardiogram (ekg)-based detection and monitoring method. As one example, while a user is using the personal electronic device for its intended function, such as communicating, playing music, and/or watching videos, the personal electronic device may be unobtrusively detecting and recording a user's heart rate and heart rhythm to detect anomalies.
Avaya Inc.


01/01/15
20150005590 

Multi-sensor patient monitor to detect impending cardiac decompensation


Systems and methods of detecting an impending cardiac decompensation of a patient measure at least two of an electrocardiogram signal of the patient, a hydration signal of the patient, a respiration signal of the patient or an activity signal of the patient. The at least two of the electrocardiogram signal, the hydration signal, the respiration signal or the activity signal are combined with an algorithm to detect the impending cardiac decompensation..
Corventis, Inc.


12/25/14
20140379042 

Determination for effective defibrillation


A method for managing care of a person receiving emergency cardiac is disclosed and involves monitoring, with an external defibrillator, multiple parameters of the person receiving emergency cardiac assistance; determining from at least one of the parameters, an indication of trans-thoracic impedance of the person receiving emergency cardiac care; determining, from at least one of the parameters corresponding to an electrocardiogram of the person receiving emergency cardiac assistance, an initial indication of likely shock effectiveness; determining, as a function of at least the indication of trans-thoracic impedance and the initial indication of likely shock effectiveness, an indication of whether a shock provided to the person receiving emergency medical assistance will be effective; and affecting control of the defibrillator by a caregiver as a result of determining the indication of whether a shock will be effective.. .
Zoll Medical Corporation


12/25/14
20140378902 

Electrocardiogram noise reduction


Methods and systems of catheterization include a flexible catheter adapted for insertion into a heart of a living subject. The catheter has a lumen for passing an electrically conductive fluid therethrough with the fluid exiting the catheter at the distal portion.
Biosense Webster (israel), Ltd.


12/25/14
20140378805 

Electrocardiogram noise reduction


Methods and systems of catheterization include a flexible catheter adapted for insertion into a heart of a living subject. The catheter has a lumen for passing an electrically conductive fluid therethrough, which is propelled by a peristaltic pump.
Biosense Webster (israel), Ltd.


12/18/14
20140371574 

Noncontact electrophysiological measurement and imaging of the heart


Method and system for noncontact electrophysiologic imaging of the heart. The methods may employ the magnetization and its relaxation-based measurements, sensitive or specifically sensitized to the properties of cardiac electrical activity, to determine the spatio-temporal distribution of cardiac electromagnetic field and cardiac electrical potentials, and to display such spatio-temporal distribution (image) for assisting in the identification of the regions with abnormal cardiac electrical activity.
University Of Pittsburgh - Of The Commonwealth System Of Higher Education


12/11/14
20140364754 

Rms electrocardiography system and method


A system for assessing a cardiac condition of a subject includes a sensor configured to record a plurality n of electrocardiographic signals from the subject to generate an ecg (electrocardiogram). The system further includes a processor configured to compute an rms (root-mean-square) magnitude function from the recorded signals, and to measure from the rms magnitude function an rms variable that contains information about the cardiac condition of the subject.

12/11/14
20140364732 

Method of detecting electrocardiogram signal, displaying electrocardiogram signal, and electrocardiogram signal detecting apparatus


A method of detecting an electrocardiogram signal is disclosed. The method includes measuring an electrocardiogram signal, determining a wave period based on an inclination of the measured electrocardiogram signal, and detecting an apex of the electrocardiogram signal with at least one of a maximum size and inclination in the wave period..

12/04/14
20140358048 

Selective post-shock transthoracic pacing


A medical device can include a housing, an energy storage module within the housing to store an electrical charge, and a defibrillation port to guide via electrodes the stored electrical charge to a person in need of medical assistance. The medical device can also include a processor to perform a patient signal analysis on an electrocardiogram (ecg) signal corresponding to the person and further determine, based on a result of the patient signal analysis, whether post-shock transcutaneous pacing should be performed on the person..

11/20/14
20140343377 

Portable device for measuring blood pressure and method thereof


A portable blood pressure measuring apparatus and a method therefor are provided. A method for measuring blood pressure by an electronic device includes measuring a blood pressure of a user; measuring a pulse wave velocity (pwv) using a pulse wave and an electrocardiogram (ecg) signal of the user, wherein the pulse wave is measured by an optical sensor, and the ecg signal is measured by an ecg electrodes portion; and compensating the blood pressure using the pwv..

11/06/14
20140330149 

Methods, systems and devices for detecting atrial fibrillation


Disclosed herein are various embodiments of methods, systems and devices for detecting atrial fibrillation (af) in a patient. According to one embodiment, a patient places his or her left and right hands around left and right electrodes and a hand-held atrial fibrillation detection device acquires an electrocardiogram (ecg) from the patient over a predetermined period of time such as, by way of example, one minute.

11/06/14
20140330136 

Adherent device with multiple physiological sensors


An adherent device to monitor a patient comprises an adhesive patch to adhere to a skin of the patient, and at least four electrodes connected to the patch and capable of electrically coupling to the patient. The adherent device further includes impedance circuitry coupled to the at least four electrodes to measure a hydration signal of the patient and electrocardiogram circuitry coupled to at least two of the at least four electrodes to measure an electrocardiogram signal of the patient..

11/06/14
20140330091 

Heart failure decompensation prediction based on cardiac rhythm


Systems and methods of detecting an impending cardiac decompensation of a patient measure an electrocardiogram signal of the patient. An incidence of cardiac arrhythmias is determined from the electrocardiogram signal.

11/06/14
20140330088 

Adherent device for sleep disordered breathing


An adherent device is configured to adhere to the skin of the patient with an adherent patch, for example breathable tape, coupled to at least four electrodes. The device comprises impedance circuitry coupled to the at least four electrodes and configured to measure respiration of the patient to detect sleep apnea and/or hypopnea.

10/30/14
20140323895 

2deg-based sensor and device for ecg sensing


The disclosed technology generally relates to sensors comprising a two-dimensional electron gas (2deg), and more particularly to an algan/gan 2deg-based sensor for sensing signals associated with electrocardiograms, and methods of using the same. In one aspect, a sensor comprises a substrate and a gan/algan hetero-junction structure formed on the substrate and configured to form a two-dimensional electron gas (2deg) channel within the gan/algan hetero-junction structure.

10/30/14
20140323891 

Method and system for determining cardiac performance


Methods, associated algorithms, and systems for determining cardiac and/or cardiovascular performance from three measurements on a subject are presented, where two of the measurements are provided by plethysmographs and one measurement is provided by an electrocardiogram. The two plethysmographs are placed different distances from the subject's heart.

10/16/14
20140309540 

Biosignal measurement apparatus and biosignal measurement method


A biosignal measurement apparatus includes: a potential difference measurement unit that measures a potential difference between a plurality of electrodes of an electrode unit placed on a user's chest; an ecg analysis unit that obtains an electrocardiogram (ecg) indicating a temporal variation of a cardiac potential of the user, from the potential difference measured by the potential difference measurement unit; an impedance measurement switching unit that determines a start timing of a first period which is a period not including an r wave, using the ecg obtained by the ecg analysis unit; an impedance measurement unit that measures an impedance between the plurality of electrodes in the first period; and a respiratory calculation unit that calculates respiratory information related to respiration of the user, based on a temporal variation of the impedance measured by the impedance measurement unit.. .

10/02/14
20140296726 

Method and identifying cardiac risk


A cardiac-based metric is computed based upon characteristics of a subject's cardiac function. In accordance with one or more embodiments, the end of a mechanical systole is identified for each of a plurality of cardiac cycles of a subject, based upon an acoustical vibration associated with closure of an aortic valve during the cardiac cycle.

10/02/14
20140296722 

Device and digital-to-analog transformations and reconstructions of multi-channel electrocardiograms


The present invention includes a method and apparatus for digital to analog conversion and reconstruction of multichannel electrocardiograms. The method may include receiving digital information representative of a plurality of independent signals, producing a plurality of analog outputs from said digital information wherein a first analog output is designated as a common reference, and imposing a predetermined voltage on a second analog output with respect to said common reference, which provides for a substantial recreation of the original independent signals.

10/02/14
20140296686 

Apparatus, device and obtaining electrocardiogram


Embodiments of the present invention provides an apparatus containing a device communicably coupled to two electrodes that may be positioned on a body of a subject for obtaining 12 leads or 18 leads electrocardiogram. The two electrodes may obtain signal parameters such as arm leads (i, ii, iii, avr avl and avf) and left chest leads (v1, v2, v3, v4, v5, v6) and right chest leads (v1r, v2r, v3r, v4r, v5r, v6r).

10/02/14
20140296685 

Multiple electrode composite use in electrocardiogram detection systems


A biomedical sensor system is disclosed that includes a plurality of electrodes and a contiguous adhesive material that is in contact with each of the plurality of electrodes. In certain embodiments a method is provided that includes the step of applying a first surface of adhesive material to a patient wherein the adhesive material includes at least two electrodes on second surface thereof that is opposite the first surface.

10/02/14
20140296684 

High impedance signal detection use in electrocardiogram detection systems


A biomedical sensor system is disclosed that includes a high impedance conductive electrode having an electrode impedance of at least about 20 kω/sq-mil, and a dielectric material on a first side of the electrode for receiving a discharge of an electrical signal from the dielectric material responsive to the presence of a time varying signal adjacent a second side of the dielectric material that is opposite the first side.. .

10/02/14
20140296681 

Electrocardiograph, measuring electrocardiogram, and computer program product


According to an embodiment, an electrocardiograph includes first and second electrode pairs, first and second detectors, and an electrocardiogram detector. A difference between a first distance between two electrodes of the first electrode pair on a first line and a second distance between two electrodes of the second electrode pair on a second line is not more than a first threshold.

09/25/14
20140288845 

Technique for real-time removal of power line interference in ecg


A technique for real-time removal of power line interference (pli) in electrocardiograms (ecg) with sampling rate a relevant integer multiple of the nominal power line frequency (nplf), comprising band-pass pli filtering of the ecg, determining expedient weights and weighted least-squares parabolic approximating downsampled to the nplf series of band-pass pli filtered values. The disclosed technique utilizes only integer arithmetic, includes pre-adjusting for the routine ecg sampling rates, causes negligible ringing and is still accurate in the common occurrences of pli with deviating from the nominal 60 or 50 hz frequency and varying amplitude..

09/18/14
20140277228 

Treatment guidance based on victim circulatory status and prior shock outcome


A system for managing care of a person receiving emergency cardiac assistance is disclosed that includes one or more capacitors for delivering a defibrillating shock to a patient; one or more electronic ports for receiving signals from sensors for obtaining indications of an electrocardiogram (ecg) for the patient; and a patient treatment module executable on one or more computer processors to identify a phase in which a patient being monitored by the system is in relative to a time at which an adverse cardiac event for patient began.. .

09/18/14
20140277225 

Windowing for identifying shock outcome


A system for managing care of a person receiving emergency cardiac assistance is disclosed that includes one or more capacitors for delivering a defibrillating shock to a patient; one or more electronic ports for receiving signals from sensors for obtaining indications of an electrocardiogram (ecg) for the patient; and a patient treatment module executable on one or more computer processors using code stored in non-transitory media and to provide a determination of a likelihood of success from delivering a future defibrillating shock to the person with the one or more capacitors, using (a) a mathematical transform from a time domain to a frequency domain applied to the indication of the ecg, and (b) a tapered window for identifying the portion of the indications of the ecg on which the transform is performed.. .

09/18/14
20140277224 

Shock determination based on prior shocks


A system for managing care of a person receiving emergency cardiac assistance is disclosed that includes one or more capacitors for delivering a defibrillating shock to a patient; one or more electronic ports for receiving signals from sensors for obtaining indications of an electrocardiogram (ecg) for the patient; a patient treatment module executable on one or more computer processors to provide a determination of a likelihood of success from delivering a future defibrillating shock to the person with the one or more capacitors, using (a) information about a prior defibrillating shock, and (b) a value that is a function of current ecg signals from the patient.. .

09/18/14
20140275886 

Sensor fusion and probabilistic parameter estimation method and apparatus


A probabilistic digital signal processor using data from multiple instruments is described. Initial probability distribution functions are input to a dynamic state-space model, which operates on state and/or model probability distribution functions to generate a prior probability distribution function, which is input to a probabilistic updater.

09/11/14
20140257177 

Pericardial-liquid level control system


Provided is a pericardial-liquid level control system with which a good viewing field can be ensured for an endoscope image without causing cardiac tamponade. A pericardial-liquid level control system is employed, including a sheath that is inserted into the pericardium; pumps that supply and expel liquid to and from the sheath; electrocardiogram electrodes that detect electrocardiographic information; and a pump control device that, in synchronization with the electrocardiographic information detected by the electrocardiogram electrodes, controls the pumps so that the liquid is supplied to the pericardium via the sheath during contraction of the heart and the liquid is expelled from the pericardium via the sheath during expansion of the heart..

09/11/14
20140257124 

Atrial fibrillation analyzer and program


An atrial fibrillation analyzer includes: an acquisition unit that acquires a detected waveform signal indicating a detection result of a pulse wave or an electrocardiogram; an rr interval calculation unit that calculates, on the basis of a spectrum of each unit period obtained by frequency analysis performed on the acquired detected waveform signal every unit period longer than 4 seconds and equal to or shorter than 16 seconds, a parameter corresponding to an average rr interval of the unit period every unit period; a power calculation unit that calculates power of a frequency band determined in advance in an rr waveform signal indicating a temporal change of the average rr interval calculated by the rr interval calculation unit; and an analysis unit that determines whether or not the power satisfies specific conditions and outputs information indicating presence of atrial fibrillation from the determination result.. .

09/11/14
20140257123 

Atrial fibrillation analyzer, atrial fibrillation analysis system, atrial fibrillation analysis method, and program


An atrial fibrillation analyzer includes: an acquisition unit that acquires a waveform signal indicating a temporal change of a pulse wave or an electrocardiogram; an rr interval calculation unit that calculates a parameter corresponding to an average rr interval for each frame on the basis of a spectrum of each frame obtained by frequency analysis of the acquired waveform signal, and calculates an rr waveform signal indicating a temporal change of the parameter; a power calculation unit that calculates a temporal change of power of a predetermined frequency band in a frequency spectrum of the rr waveform signal; a variation coefficient calculation unit that calculates a variation coefficient of the average rr interval; an analysis unit that analyzes presence of atrial fibrillation on the basis of a set of the power and the variation coefficient; and a measurement unit that measures an amount of activity of a user.. .

09/11/14
20140257122 

System and determining a risk score for triage


The present disclosure provides a system and method of determining a risk score for triage. In particular, a system is provided for providing an assessment of risk of a cardiac event for a patient, for example an incoming patient to a hospital emergency department complaining of chest pain.

09/04/14
20140249437 

Method and system to fully-automatically measure the st-segment level of electrocardiograms in real-time ecg monitoring


A system for determining the q and j points of an electrocardiogram (ecg) combines a wlt-based q, j detection algorithm with signal quality assessment for lead selection. A q, j detector (24) receives a beat-cycle waveform for the beat under consideration from each of a plurality (n) of ecg leads, and assesses signal quality for each lead using signal quality assessor (sqa) components 261, 262 .

09/04/14
20140249398 

Determining pulse transit time non-invasively using handheld devices


A system and method to determine pulse transit time using a handheld device. The method includes generating an electrocardiogram (ekg) for a user of the handheld device.



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Electrocardiogram topics: Electrocardiogram, Physiologic, Arrhythmias, Blood Pressure, Arrhythmia, Executable, Ultrasound Image, Ultrasound, User Interface, Pressure Measurement, Magnetic Resonance Angiography, Shared Memory, Angiography, Physiological Data, Autonomic Nervous System

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