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Novel Method of Discriminating Between Ventricular and Supraventricular Tachyarrhythmias
University of Pittsburgh
posted on 06/29/2009
This invention provides a method to discriminate between ventricular arrhythmia and supraventricular tachycardia by detecting an earliest arriving electrical signal following antitachycardia pacing.
Suggested Uses
- Implantable cardiac defibrillator
Advantages
- Better descrimination between VT and SVT which decreases the rate of inappropriate shocks for SVT.
- Provides a better understanding of the patient’s AV and VA conduction system under various autonomic conditions (high sympathetic or vagal tones) over long periods of time.
Detailed Description
An implantable cardiac defibrillator provides atrioventricular and ventriculoatrial pacing bursts to determine if an arrhythmia with a 1 :1 atrial to ventricular relationship is due to ventricular tachycardia or supraventricular tachycardia. This discrimination capability reduces the incidence of inappropriate shocks from dual- chamber implantable cardiac defibrillators to near zero and provides a method to differentially diagnose supraventricular tachycardia from ventricular tachycardia.
File Number: 906
Disease: Cardiovascular and Circulatory System
| Patent Number(s): | PCT/US2008/011437 |
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This innovation currently is not available for online licensing. Please contact Alexander Ducruet at University of Pittsburgh for more information.
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