Method and apparatus for synchronization of atrial defibrillatio

Details Method and apparatus for synchronization of atrial defibrillatio Method and apparatus for synchronization of atrial defibrillatio

1993-11-02

1995-05-02

Kamm, William E.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

607 5, A61N 139

Patent

active

054115248

ABSTRACT:
A method and apparatus for detecting and treating atrial fibrillation. In response to detecting atrial fibrillation, the device derives an escape interval based on one or more preceding intervals between ventricular depolarizations. The escape interval is initiated in response to a ventricular depolarization, and in response to the expiration of the escape interval, an atrial cardioversion pulse is delivered. In one embodiment of the invention, the cardioverting pulse is delivered immediately upon expiration of the derived escape interval. In a second embodiment of the invention, a ventricular pacing pulse is delivered on expiration of the escape interval, with an atrial cardioversion pulse following after a short delay.

REFERENCES:
patent: 5193536 (1993-03-01), Mehra
patent: 5269298 (1993-12-01), Adams et al.
patent: 5282836 (1994-02-01), Kreyenhagen

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