Method and apparatus for diagnosis and treatment of arrhythmias

Details Method and apparatus for diagnosis and treatment of arrhythmias Method and apparatus for diagnosis and treatment of arrhythmias

1998-03-18

1999-10-19

Getzow, Scott M.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

A61N 1368

Patent

active

059680792

ABSTRACT:
An implantable medical device which senses atrial electrograms, detects atrial tachyarrhythmias and delivers atrial cardioversion/defibrillation pulses in response thereto, which employ a correlation analysis to assist in detection of arrhythmias and/or timing of delivery of cardioversion/defibrillation shocks. The device includes an electrogram recorder which stores atrial electrogram segments associated with R--R intervals extending over multiple atrial depolarizations and a correlator which measures correlation of successive stored atrial electrogram segments. The device may use the measured corellation meeting a defined threshold value to detect the occurrence of a defined tachyarrhythmia such as atrial fibrillation or allow delivery of a cardioversion/defibrillation pulse.

REFERENCES:
patent: 5507780 (1996-04-01), Finch
patent: 5545186 (1996-08-01), Olson et al.
patent: 5578063 (1996-11-01), Bocek et al.
patent: 5755736 (1998-05-01), Gillberg et al.

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