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7620447 |
Method for assessing the contraction synchronization of a heart
A method for assessing the contraction synchronization of a heart of a patient using a set of tridimensional images of the heart, the heart having a contraction cycle, the set of tridimensional...
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7620446 |
Monitoring P-waves to detect degradation of atrial myocardium
An implantable medical device (IMD) monitors at least one characteristic of P-waves within an electrogram signal. By monitoring changes in the characteristic over time, the IMD detects degradation...
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7613508 |
Implantable cardiac stimulation device, system and method which provides an electrogram signal facilitating measurement of slow-changing electrogram features
An implantable cardiac system including an implantable cardiac stimulation device provides a heart activity signal of a heart facilitating measurement of slowly changing electrogram features. The...
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7613507 |
Non-invasive detection of the occurrence of apneae or hypopneae in a patient
A device for the non-invasive detection of apneae or hypopneae in a patient. This apparatus collects the patient's endocardial acceleration using an external acceleration sensor ( 12 ) able to be...
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7613506 |
Method for deriving standard 12-lead electrocardiogram, and monitoring apparatus using the same
Four first electrodes are attached on right clavicle, the vicinity of on left clavicle, on right lowermost rib, and the position on left lowermost rib, corresponding to limb leads 12-lead...
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7613499 |
Method and system for concurrent localization and display of a surgical catheter and local electrophysiological potential curves
A method for providing measuring data for the precise local positioning of an ablation catheter comprises the recording of electrophysiological potential curves in a plurality of positions of the...
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7610090 |
Implantable medical device with automatic sensing adjustment
An implantable medical device system that senses physiologic processes via multiple sensor signal configurations. The device can further process the sensor configurations to obtain additional...
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7610084 |
System and method for classifying cardiac depolarization complexes with multi-dimensional correlation
A system and method for classifying cardiac depolarization complexes in which waveforms of a depolarization complex are sensed by separate electrodes and correlated with template waveforms of a...
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7610083 |
Method and system for loop recording with overlapping events
A method and apparatus is provided for handling multiple loop recordings that result from events in a limited memory implantable device. The events may include various automatic and manual...
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7604603 |
Method and system for extracting cardiac parameters from plethysmographic signals
A method and system for extracting cardiac parameters from a plethysmographic signal is described wherein the plethysmographic signal is passed through a first filter to remove non-cardiac...
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7603168 |
Method and apparatus for the estimation of anesthesia depth
A method and apparatus to monitor and control the anesthesia state of a patient undergoing general anesthesia is provided. Previous automated systems to monitor the anesthesia state of a patient...
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7593768 |
Detection of smooth muscle motor activity
A system and method for determining smooth muscle motor activity in body organs. The system comprises electrodes for recording an analog signal in the subject's body, an analog to digital converter...
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7593766 |
Detector for atrial flutter and atrial fibrillation
A detector for atrial fibrillation and/or atrial flutter comprises an atrial input for receiving an atrial signal representing an intraatrial electrogram or a time course of an intraatrial...
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7593764 |
System and method of serial comparison for detection of long QT syndrome (LQTS)
The present disclosure includes a system and method of detecting LQTS in a patient by comparing a collected set of ECG data from the patient to a plurality of databases of collected ECG data. The...
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7590443 |
System and method for detecting hypoglycemia based on a paced depolarization integral using an implantable medical device
Techniques are provided for use with an implantable medical device such as a pacemaker or implantable cardioverter/defibrillator (ICD) for predicting and detecting hypoglycemia. In one example, the...
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7587239 |
Cardiac pacemaker system, lead and method for rejecting far-field signals
An implantable cardiac lead comprises a lead body having a proximal end and a distal end, the proximal end of the lead body carrying a connector assembly connectable to an implantable medical...
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7587237 |
Biological signal management
Systems and techniques for managing biological signals. In one implementation, a method includes receiving a cardiac biological signal that includes information describing events, determining a...
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7580740 |
Atrial tachyarrhythmia detection using selected atrial intervals
Methods and systems are directed to detecting atrial tachyarrhythmia. A plurality of A-A intervals is detected. The detected A-A intervals are selected and used to detect atrial tachyarrhythmia....
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7578816 |
Method and system of increasing safety of cardiac ablation procedures
Method and system of increasing safety of ablation of cardiac arrythmias, especially AVNRT and antero-septal accessory pathway ablations. A computer based system acquires, conditions, and analyzes...
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7577475 |
System, method, and apparatus for combining information from an implanted device with information from a patient monitoring apparatus
A data set is generated by an implanted medical device, during operation of the device. The data set includes data characterizing various physiological states of the patient. The data set is...
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7574371 |
Medical diagnosis management system
A computerized medical diagnosis management system includes a central computer system comprising a data processor; at least one data interface operatively coupled to the data processor and...
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7574260 |
Adaptive windowing for cardiac waveform discrimination
Cardiac devices and methods provide adaptation of detection windows used to determine a cardiac response to pacing. Adapting a detection window involves sensing a cardiac signal indicative of a...
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7570990 |
Detector for atrial fibrillation and flutter
Atrial fibrillation or flutter detector having impedance unit, with measurement input, connected to atrial electrode line having electrode for unipolar measurement of atrium impedance and...
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7567835 |
Method and apparatus for identifying oversensing using far-field intracardiac electrograms and marker channels
A method for identifying and classifying various types of oversensing in implantable medical devices (IMDs), such as implantable cardioverter defibrillators (ICDs), to assist a physician in...
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7565194 |
ECG rhythm advisory method
A method of automatically determining which type of treatment is most appropriate for a cardiac arrest victim, the method comprising transforming one or more time domain electrocardiogram (ECG)...
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7561912 |
Use of periodicity in medical data analysis
A patient management system is described that includes an implantable device for collecting one or more physiological parameter values and associated timestamps indicating the time at which the...
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7561911 |
Automated template generation algorithm for implantable device
A method and device for generating a template that includes determining whether there are consecutive events of a plurality of sensed events having first characteristics, and if a predetermined...
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7558622 |
Mesh network stroke monitoring appliance
A health care monitoring system for a person includes one or more wireless nodes forming a wireless mesh network; a wearable appliance having a sound transducer coupled to the wireless transceiver;...
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7558621 |
Synthesizing a reference value in an electrocardial waveform
A method for synthesizing a reference value in an electrocardial waveform includes identifying a triggering event within the electrocardial waveform. The method also includes waiting a period of...
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7555336 |
Automatic LV/RV capture verification and diagnostics
The present invention provides a technique for verifying pacing capture of a ventricular chamber, particularly to ensure desired delivery of a ventricular pacing regime (e.g., cardiac...
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7555335 |
Biopotential signal source separation using source impedances
Cardiac methods and devices that separate signals using at least two composite signals acquired at least at two input impedances. A target source impedance may be selected, and a cardiac signal may...
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7548785 |
Collecting and analyzing sensed information as a trend of heart failure progression or regression
An exemplary method includes selecting a cross-correlation frequency having an associated cross-correlation period, detecting and binning a heart rate in a heart rate bin, detecting and binning an...
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7548777 |
Computerized method for predicting the diastolic rest period in a cardiac cycle
In a method to predict the diastolic rest period in the cardiac cycle of a patient under examination, the linear relation between heart rate and position of the diastolic rest period in the cardiac...
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7542795 |
Vector superimposition and graphical display of physiological data without or before analysis
The two ECG channels are graphed as an X-Y pair where the X coordinate is the voltage in a first ECG channel and the Y coordinate is the voltage in a second ECG channel. Because neither of the...
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7542794 |
Method of extracting and evaluating paced heart beats using max-min transform analysis
Methods for identifying and extracting heart depolarization and repolarization in a paced heart. Certain methods also include identifying and analyzing particular features of at least one pacing...
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7539536 |
Cardiac rhythm management systems and methods using multiple morphology templates for discriminating between rhythms
This document describes systems, devices, and methods that use multiple morphology templates for discriminating between rhythms, such as supraventricular tachyarrhythmias (SVTs) and ventricular...
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7539535 |
Real-time, high frequency QRS electrocardiograph with reduced amplitude zone detection
Real time cardiac electrical data are received from a patient, manipulated to determine various useful aspects of the ECG signal, and displayed in real time in a useful form on a computer screen or...
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7539533 |
Mesh network monitoring appliance
A health care monitoring system for a person includes one or more wireless nodes forming a wireless mesh network; a wearable appliance having a sound transducer coupled to the wireless transceiver;...
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7539532 |
Cuffless blood pressure monitoring appliance
A heart monitoring system for a person includes one or more wireless nodes forming a wireless mesh network and a wearable appliance having a sound transducer coupled to the wireless transceiver;...
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7529580 |
Detection of renal failure by cardiac implantable medical device
Morphological features within electrical cardiac signals are tracked and feature changes are monitored to detect renal failure. The morphological feature may be an interval between corresponding...
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7522950 |
Basket catheter with improved expansion mechanism
A catheter is provided that has a basket-shaped electrode assembly with an improved mechanism for expanding and contracting the electrode array. The expansion mechanism is designed to permit...
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7519416 |
Diagnostic method utilizing standard lead ECG signals
A new and superior strategy for analyzing electrocardiograms (ECG) is disclosed. The strategy utilizes standard leads obtained from only limb electrodes from a conventional electrocardiography...
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7519413 |
Apparatus and method for measuring motion in a strong magnetic field
The present invention is an apparatus for measuring motion of a portion of the body of a patient and, optionally, electrocardiogram, of a patient in a magnetic field. A pickup coil in the form of a...
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7517318 |
Registration of electro-anatomical map with pre-acquired image using ultrasound
A system and method for imaging a target in a patient's body includes the steps of providing a pre-acquired image of the target and placing a catheter having a position sensor, an ultrasonic...
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7515955 |
Method and apparatus for adjusting cardiac event detection threshold based on dynamic noise estimation
An implantable cardiac rhythm management (CRM) device includes a sensing and detection circuit that senses at least one cardiac signal and detects cardiac electrical events from the sensed cardiac...
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7515954 |
Non-contact cardiac mapping, including moving catheter and multi-beat integration
A non-contact cardiac mapping method is disclosed that includes: (i) inserting a catheter into a heart cavity having an endocardium surface, the catheter including multiple, spatially distributed...
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7512439 |
Implantable devices, and methods for use therewith, for performing cardiac and autonomic assessments using phase rectified signal averaging
Provided herein are implantable devices, and methods for use therewith, that perform at least one of a cardiac assessment and an autonomic assessment. An implantable device is used to sense a...
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7512438 |
Implantable system for monitoring the condition of the heart
A “tracker system” that includes electrical leads which are part of an implanted cardiotracker plus external equipment that includes external alarm and a physician's programmer. The tracker...
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7505810 |
Non-contact cardiac mapping, including preprocessing
A non-contact cardiac mapping method is disclosed that includes: (i) inserting a catheter into a heart cavity having an endocardium surface, the catheter including multiple, spatially distributed...
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7502644 |
System and method for distinguishing among cardiac ischemia, hypoglycemia and hyperglycemia using an implantable medical device
Techniques are described for detecting ischemia, hypoglycemia or hyperglycemia based on intracardiac electrogram (IEGM) signals. Ischemia is detected based on a shortening of the interval between...
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