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7580747 |
Inducing premature atrial contractions for the purpose of monitoring autonomic tone, risk of sudden cardiac death and ischemic events
Implantable systems, and methods for use therein, perform at least one of a cardiac assessment and an autonomic assessment. Premature atrial contractions (PACs) are induced to thereby cause...
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7526333 |
Sound reproduction system and method based on physical and mental states of a drive
One of the objects of the present invention is to provide an system which can detects degradation in a driving mental state of a driver, that is, sleepiness, fatigue, fret, and so on during driving...
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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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7502643 |
Method and apparatus for measuring heart related parameters
A monitor device and associated methodology are disclosed which provide a self contained, relatively small and continuously wearable package for the monitoring of heart related parameters,...
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7499744 |
Statistical method for assessing autonomic balance
A computationally efficient method for assessing a subject's autonomic balance by measurement of heart rate variability is disclosed which is particularly suitable for implementation by an...
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7460899 |
Apparatus and method for monitoring heart rate variability
A wrist-worn or arm band worn heart rate variability monitor is provided. Heart rate variability (“HRV”) refers to the variability of the time interval between heartbeats and is a reflection of...
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7395109 |
System for, and method of, monitoring heartbeats of a patient
Heart monitor signals indicating a patient's heart characteristics are amplified without affecting the signal characteristics. The amplified heart monitor signals with atypical characteristics are...
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7383081 |
Training device and method
A wristop heart rate monitor comprising a dial, which comprises a current heart rate indicator, which is responsive to a heart rate signal measured from a user of the wristop heart rate monitor and...
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7379770 |
Devices and methods for heart rate measurement and wrist-watch incorporating same
A method and device for heart rate measurement uses a stream of signals containing ECG signals to select a reference QRS complex according to a set of predetermined criteria and obtain electrical...
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7354380 |
Heart rate monitor for controlling entertainment devices
Described is a motivational fitness device, which controls the audio output of a television or audio component in response to the heart rate. The user must exercise in their specific heart rate...
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7353127 |
Apparatus and method for detection and quantification of oscillatory signals
A method of determining the location in time of maxima and/or minima of an oscillatory signal. The method may have application to measurement of biological signals, in particular measurement of...
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7346388 |
Method and apparatus for rate accuracy enhancement in ventricular tachycardia detection
An implantable cardioverter/defibrillator (ICD) executes a rate accuracy enhancement algorithm to select measured atrial and ventricular intervals for classifying a detected tachycardia based on...
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RE40116 |
Mobile digital communication computing device including heart rate monitor
A mobile client device, such as a wireless mobile or a palm sized personal digital assistant, is provided with a number of sensors and companion programming instructions/circuitry to generate a...
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7330752 |
Procedure for detection of stress by segmentation and analyzing a heart beat signal
A procedure for the detection of stress state is disclosed, wherein ambulatory heart beat signal is measured. In the first phase segments are defined from heart beat signal with a chosen rule for...
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7313439 |
Method and apparatus for predicting arrhythmias using diurnal heart rate
A method of predicting an arrhythmia, such as ventricular tachycardia, for example, in a medical device using a quantitative measure in order to allow assessment of patient risk and to enable...
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7269458 |
Cardiopulmonary functional status assessment via heart rate response detection by implantable cardiac device
An implantable cardiac device is configured and programmed to assess a patient's cardiopulmonary function by evaluating the patient's heart rate response. Such evaluation may be performed by...
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7231244 |
Method and arrangement for predicting perioperative myocardial ischemia
A method and an arrangement for predicting perioperative myocardial ischemia. Heart rate measurements are carried out for example at night- and day-time before the operation to obtain heart rate...
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7206631 |
Sleepiness level detection device
A sleepiness level detection device detects a heartbeat signal when a time equal to or longer than T 1 and equal to or shorter than T 2 has elapsed since the start of driving. The heartbeat...
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7177672 |
Coding heart rate information
The invention relates to an arrangement for coding heart rate information, comprising means ( 600 A, 600 B) for measuring a person's heart beat intervals and means for storing ( 648 ) the measured...
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7174204 |
Methods for quantifying the morphology and amplitude of cardiac action potential alternans
Methods and apparatus for determining T-wave alternan signatures (i.e., morphology and polarity) derived from a physiologic signal representative of a subject's heart activity; assessing changes in...
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7149570 |
Alarm activated acoustic measuring signals for patient monitoring
A system and a method for monitoring a physiological parameter of a patient providing a measurement-modulated acoustic signal ( 7 ) after/when a measurement value of the monitored physiological...
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7139605 |
Heart rate monitor
A method for analyzing an EKG signal in real time to produce a heart rate indication. The most recent digitized samples of the EKG are stored in a buffer and evaluated to identify each R-wave peak...
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7134997 |
Biological information detection apparatus
While detecting a missing section from a biological signal acquired from a human body and while storing the biological signal values obtained at n (where n is a natural number) consecutive points...
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7123953 |
Method and system for evaluating arrhythmia risk with QT-RR interval data sets
A method of assessing the cardiac arrhythmia risk in a subject to provide a measure of cardiac or cardiovascular health in that subject is described herein. In one embodiment, the method comprises...
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7103404 |
Detection of tachyarrhythmia termination
Determining termination of an identified tachyarrhythmia episode may involve analysis of a relative decrease in tachyarrhythmia rate, a normalization of electrogram morphology criteria, or both. An...
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7062313 |
Evaluation of exercise stress level dependent parameter
A method and arrangement for estimating a stress level dependent parameter on a person that measures a person's heart rate, calculates a derivative of the measured heart rate, and estimates a value...
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7043294 |
Methods and devices for determining heart rate recovery
A device, such as an implantable cardiac device, and methods for determining heart rate recovery of a patient after exercise. Specifically, the method includes identifying a first heart rate...
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7031766 |
Methods and devices for determining exercise diagnostic parameters
A device, such as an implantable cardiac device, and methods for determining exercise diagnostic parameters of a patient are disclosed. Specifically, a maximum observed heart rate of a patient...
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6990372 |
Programmable signal analysis device for detecting neurological signals in an implantable device
A programmable signal analysis device for detecting and counting neurological and muscular events in living tissue that incorporates one or more signal threshold levels to identify an event, a...
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6937887 |
Atrial fibrillation detection method and apparatus
A method and apparatus to detect irregular heart activity and estimate heart rate. In one embodiment, the heart rate estimation apparatus includes a group of six RR storage structures that receives...
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6904313 |
Methods and systems for monitoring heart rate recovery
Methods and systems for monitoring heart rate recovery are described. In one embodiment, an implantable monitoring device monitors a patient's heart activity. The monitor looks for periods of...
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RE38680 |
Arrangement for determining a heart rate by automatically establishing the optimal refractory time for heart rate determination
An arrangement for determining the heart rate (f RR ) or the refractory time of the cardiac tissue, particularly for detecting tachycardia or fibrillation, has an electrode (E) for sensing heart...
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6801802 |
System and method for selecting physiological data from a plurality of physiological data sources
A system for selecting physiological data from a plurality of physiological data sources includes first and second physiological data sources and a selection algorithm. The first physiological data...
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6731972 |
Evaluation method and apparatus for determining the time stationarity of measured physiological signals
An evaluation method that includes: recording the values of a physiological signal during a certain measuring period; dividing the obtained time series of signal values into individual segments;...
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6685649 |
Monitoring a condition of a patient under anaesthesia or sedation
The invention relates to a method for monitoring a condition of a patient under anaesthesia or sedation. In the method a signal (S) is acquired representing a cardiovascular activity of the...
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6636762 |
Method and system for monitoring heart failure using rate change dynamics
A method of monitoring heart failure is provided. A baseline heart rate change value is determined, wherein the baseline heart rate change value comprises a speed at which a first initial heart...
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6584344 |
Method and apparatus for measuring heart rate
An arrangement for detecting a heart beat and calculating heart rate on the basis of the detected heart beats, comprising means for measuring an EKG signal from a person's hands, a computer for...
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6572511 |
Heart rate sensor for controlling entertainment devices
Described is a motivational fitness device, which controls volume and power on a television or stereo component in response to the heart rate. The user must exercise in their specific heart rate...
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6553251 |
Method and arrangement for heartbeat detection
An arrangement for heartbeat detection, the arrangement comprising a first measuring device ( 202 ) for measuring the heart rate signal of a person on the skin of the person in a first measuring...
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6512947 |
Heart rate monitoring system with illuminated floor mat
A heart rate monitoring system for visually indicating to an individual during a workout session the status of their heart rate relative to a desired heart rate. The heart rate monitoring system...
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6512946 |
Method of detecting cardiac interval signals in cardiologic devices
A method of detecting cardiac interval signals in cardiologic devices comprises the following method steps: time-resolved detection of cardiac events which are representative of the cardiac...
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6487442 |
Detection of abnormal and induction of normal heat rate variability
An apparatus and method for predicting potentially fatal arrhythmias up to twenty four hours in advance of the event by employing formulas indicating either too little or too much heart rate...
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6370423 |
Method for analysis of biological voltage signals
Method of analyzing biological signals representative of voltage changes, including obtaining an analog biological signal representative of voltage changes, using digital processing software to...
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6345197 |
Age-based heart rate target zone method and apparatus
A method and apparatus utilizes conventional wireless heart rate monitor technology by providing a person with the ability to set upper and lower heart rates, i.e. a target zone, merely by...
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6300356 |
Method for decreasing QT dispersion or inhibiting the progression of QT dispersion with an angiotensin II receptor antagonist
Angiotensin II receptor antagonists are useful for decreasing QT dispersion or inhibiting the progression of QT prolongation in patients. Also disclosed is a method for monitoring the reduction in...
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6246907 |
Automatic external cardioverter/defibrillator with cardiac rate detector and method of operating the same
An external defibrillator includes a detector used to detect a life threatening condition of a patient, a controller operating the defibrillator automatically and a therapy delivery circuit that...
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6230047 |
Musical listening apparatus with pulse-triggered rhythm
An apparatus combines a plurality of incoming audio signals and outputs a combined audio signal. The incoming audio signals include a music signal, e.g., from a CD or cassette player, and a rhythm...
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6161038 |
Non-invasive monitoring of hemodynamic parameters using impedance cardiography
A method and apparatus for determination of heart rate, heart stroke volume, heart stroke volume, and cardiac output from thoracic bioimpedance signals and electrocardiograms. A unique bioimpedance...
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6104947 |
Method and apparatus for determining exertion levels in fitness or athletic training and for determining the stress caused by training
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6016443 |
Implantable ischemia detector and implantable stimulator employing same
An ischemia detector includes repolarization sensor which senses repolarization of the heart of a patient and delivers corresponding repolarization signals to a detecting unit and a workload sensor...
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