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8185200 |
Disable for atrioventricular delay adjustment
An apparatus comprises an electrical stimulation circuit, a ventricular sensing circuit, a ventricular sensing timer, and an atrial pacing timer. The ventricular sensing circuit detects an...
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8185202 |
Implantable cardiac device for reduced phrenic nerve stimulation
Methods and devices for reducing phrenic nerve stimulation of cardiac pacing systems involve delivering a pacing pulse to a ventricle of a heart. A transthoracic impedance signal is sensed, and a...
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8185199 |
Monitoring physiological signals during external electrical stimulation
Electrodes and circuitry for monitoring and stimulating the exterior of the human body, comprising delivering stimulation pulses to stimulation electrodes applied to the exterior of the body,...
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8180438 |
Minimally invasive physiologic parameter recorder and introducer system
An implantable monitoring device includes a flexible lead body that includes at least one sensing element. The device also includes a rigid main body connected to the flexible lead body at an...
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8180457 |
System for cardiac resuscitation
System and method for monitoring and controlling, defibrillation and pacing which allows a victim of a cardiac rhythm abnormality immediate access to a medical professional at a central station,...
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8180449 |
Dual chamber pacemaker
An implantable medical device and a method for operating such a device to provide cardiac pacing to the heart of a patient for pacing hearts of patients suffering from periodical or intermittent...
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8180428 |
Methods and systems for use in selecting cardiac pacing sites
A method and system for use in selecting a cardiac pacing site includes sensors for tracking wall motion (e.g., sensors coupled to the right and left ventricular heart wall). The wall motion of one...
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8180439 |
Ischemia detection using intra-cardiac signals
An implanted cardiac rhythm management device is disclosed that is operative to detect myocardial ischemia. This is done by evaluating electrogram features to detect an electrocardiographic change;...
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8175708 |
System and method for adjusting automatic sensitivity control parameters based on intracardiac electrogram signals
Systems and methods are provided for use by an implantable medical device capable of automatically adjusting the sensitivity with which electrical cardiac signals are sensed within a patient, i.e....
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8175705 |
System and method for sustained baroreflex stimulation
Various aspects of the present subject matter provide an implantable medical device. In various embodiments, the device comprises a baroreflex stimulator and a controller. The baroreflex stimulator...
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8174818 |
Method for a capacitor with a flexible interconnect
The present subject matter includes a first capacitor stack including a first plurality of anode layers and a first plurality of cathode layers and a second capacitor stack including a second...
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8174395 |
Transceiver unit in a measurement system
A measurement system may comprise a sensor wire and a transceiver unit. The sensor wire may comprise an insertable portion configured to be inserted in a blood vessel of a patient's body and a...
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8175715 |
Frequency agile telemetry system for implantable medical device
A system enables high-frequency communication between an external communication device and one or more implantable medical devices. The system implements a communication protocol in which the...
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8175703 |
Cardiac resynchronization therapy parameter optimization
Systems and methods involve determination of CRT parameters using a number of CRT optimization processes. Each CRT optimization process attempts to return recommended parameters. The CRT parameters...
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8175704 |
Techniques for delivery of stem cell and related therapies to treat cardiac conditions
An exemplary method includes acquiring cardiac electrical activity information; detecting cardiac events within the information including T waves, QRS complexes and/or P waves; and calling for...
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8175707 |
Enhancement of rate responsive IEGM-based AV/PV and VV delay algorithms
An exemplary method includes delivering a cardiac resynchronization therapy using an atrio-ventricular delay and an interventricular delay, monitoring patient activity, optimizing the...
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8170666 |
Method for scheduling atrial-ventricular conduction checks in minimum ventricular pacing
A medical device and associated method deliver cardiac pacing in a dual chamber pacing mode and schedule an atrial-ventricular (AV) conduction check during the dual chamber pacing mode to detect...
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8170664 |
Monitoring heart disease using implantable sensors and slopes determined therefrom
Specific embodiments of the present invention use an implanted sensor, during a period of time, to measure a physiologic property when the patient's heart is not stressed, and when the patient's...
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8170665 |
Quantum dot labeled stem cells for use in providing pacemaker function
The present invention provides methods and compositions relating to the labeling of target cells with nanometer scale fluorescent semiconductors referred to as quantum dots (QDs). Specifically, a...
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8170672 |
Elongated implant having an external energy coupling
Electrotherapeutic implant for stimulation of body tissue, comprising at least two electrode poles (14) which are connected to electric feeder lines, a demodulation unit (22), at least one electric...
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8170667 |
Implantable cardiac monitor upgradeable to pacemaker or cardiac resynchronization device
An implantable cardiac monitor upgradeable to an implantable pacemaker or an implantable cardiac resynchronization device allows the use of a single implantable medical device for monitoring...
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8165674 |
Methods and apparatus to increase secretion of endogenous naturetic hormones
A method and apparatus for treatment of heart failure by increasing secretion of endogenous naturetic hormones ANP and BNP such as by stimulation of the heart atria. Heart pacing is done at an...
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8160684 |
Method and apparatus for detecting arrhythmias in a medical device
A method of detecting a cardiac event in a medical device that includes sensing cardiac signals from a plurality of electrodes forming a first sensing vector and a second sensing vector, and...
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8160701 |
Systems and methods for delivering vagal nerve stimulation
According to various method embodiments, a person is indicated for a therapy to treat a cardiovascular disease, and the therapy is delivered to the person to treat the cardiovascular disease....
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8160700 |
Adaptive single site and multi-site ventricular pacing
An exemplary method includes delivering a cardiac pacing therapy using an electrode configuration for left ventricular, single site pacing or left ventricular, multi-site pacing, measuring a series...
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8160702 |
Method for digital cardiac rhythm management
A cardiac rhythm management apparatus includes a proximal housing, a distal housing and a lead. The proximal housing includes a first energy storage device. The distal module is implantable within...
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8155740 |
Constant current pacing apparatus and pacing method
A constant current pacing apparatus and method for pacing uses, for example, H-bridge circuitry and a constant current source connected to the H-bridge circuitry.
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8155739 |
Cardiac resynchronization therapy optimization using mechanical dyssynchrony and shortening parameters from realtime electrode motion tracking
Therapy optimization includes tracking electrode motion using an electroanatomic mapping system and generating, based on tracked electrode motion, one or more mechanical dyssynchrony metrics to...
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8155735 |
Prediction and prevention of postoperative atrial fibrillation in cardiac surgery patients
Systems and methods are provided for predicting the onset of postoperative atrial fibrillation (AF) from electrocardiogram (ECG) data representing a patient. A signal processing component...
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8150508 |
Vagus nerve stimulation method
An implanted electrical signal generator delivers a novel exogenous electrical signal to a vagus nerve of a patient. The vagus nerve conducts action potentials originating in the heart and lungs to...
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8150513 |
Method and apparatus for assessing left ventricular function and optimizing cardiac pacing intervals based on left ventricular wall motion
A system and method for monitoring left ventricular (LV) lateral wall motion and for optimizing cardiac pacing intervals based on left ventricular lateral wall motion is provided. The system...
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8145308 |
Method and apparatus for determining a parameter associated with delivery of therapy in a medical device
A medical device and method for determining a parameter for delivery of a predetermined pacing therapy that includes a plurality of electrodes to deliver a pacing therapy, including the...
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8145305 |
Subcutaneous defibrillator implantation without fluoroscopy
A subcutaneous cardiac device includes a subcutaneous electrode and a housing coupled to the subcutaneous electrode by a lead with a lead wire. The subcutaneous electrode is adapted to be implanted...
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8145304 |
Neural stimulation system for cardiac fat pads
Various aspects relate to a device which, in various embodiments, comprises a header, a neural stimulator, a detector and a controller. The header includes at least one port to connect to at least...
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8140155 |
Intermittent pacing therapy delivery statistics
This document discusses, among other things, an apparatus comprising an implantable cardiac depolarization sensing circuit, an electrical stimulation circuit, and a pacing mode controller. The...
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8140153 |
Cardiac tachyarrhythmia therapy selection based on patient response information
Cardiac treatment methods and devices providing templates representative of past tachyarrhythmia events, each template associated with a therapy. A cardiac waveform is detected, and if it...
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8135464 |
Painless ventricular rate control during supraventricular tachycardia
In various embodiments of the present invention, lower amplitude high frequency burst stimulation of cardiac fat pad(s) innervating the AV node and/or ventricle tissue performed in conjunction with...
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8135465 |
System providing ventricular pacing and biventricular coordination
A cardiac rhythm management system includes techniques for computing an indicated pacing interval, AV delay, or other timing interval. In one embodiment, a variable indicated pacing interval is...
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8135463 |
Algorithm for the automatic determination of optimal AV and VV intervals
Methods and devices for determining optimal Atrial to Ventricular (AV) pacing intervals and Ventricular to Ventricular (VV) delay intervals in order to optimize cardiac output. Impedance,...
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8131361 |
System and method for setting atrioventricular pacing delays based on far-field atrial signals
An intrinsic inter-atrial conduction delay is determined by a pacemaker or implantable cardioverter-defibrillator based, at least in part, on far-field atrial events sensed using ventricular...
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8131363 |
Closed-loop control of intermittent excitatory cardiac stimulation for therapeutic effect
A device and method for delivering electrical stimulation to the heart in order to improve cardiac function in heart failure patients. The stimulation is delivered as high-output pacing in which...
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8131362 |
Combined neural stimulation and cardiac resynchronization therapy
Methods and devices for delivering cardiac therapy to a patient are provided. Various implantable device embodiments comprise a plurality of leads and a controller. The leads include at least one...
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8126539 |
Method and apparatus for monitoring T-wave alternans
An implantable medical device and associated method assess T-wave alternans by sensing a cardiac electrogram (EGM) signal and selecting a pair of consecutive T-wave signals from the EGM signal. A...
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8123668 |
Signal transmitting and lesion excluding heart implants for pacing defibrillating and/or sensing of heart beat
Devices, systems, and methods for treating a heart of a patient may make use of structures which limit a size of a chamber of the heart, such as by deploying a tensile member to bring a wall of the...
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8126550 |
Methods and devices involving automatic atrial blanking
During a period of time comprising a plurality of cardiac cycles, a time relationship between ventricular events and atrial detections is established. Based on the relationship, a post-ventricular...
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8126547 |
Method and apparatus for adjustment of sequential biventricular pacing parameters
A method and system are disclosed for setting the pacing parameters utilized by an implantable cardiac device in delivering cardiac resynchronization therapy. The system may, in different...
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8123684 |
Methods for configuring implantable satellite effectors
Techniques for controlling one or more modular circuits (“satellites”) that are intended for placement in a subject's body. The one or more satellites are controlled by sending signals over a bus...
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8126551 |
AV delay features
An atrial event and a ventricular event can be received, and an atrioventricular (AV) delay can be provided using information about the atrial and ventricular events. The AV delay can be increased...
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8126548 |
Closed loop impedance-based cardiac resynchronization therapy systems, devices, and methods
This document discusses, among other things, systems, devices, and methods measure an impedance and, in response, adjust an atrioventricular (AV) delay or other cardiac resynchronization therapy...
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8126549 |
Cardiac protection system and method
A cardiac ischemic protection system and method for conditioning a patient's heart is provided. The method can include detecting acute myocardial infarction, angina pectoris, silent ischemia, or...
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