Tachycardia detection for automatic implantable cardioverter/def

Details Tachycardia detection for automatic implantable cardioverter/def Tachycardia detection for automatic implantable cardioverter/def

1988-01-06

1989-08-29

Jaworski, Francis

Surgery

Truss

Pad

A61N 100, H05G 0000

Patent

active

048607495

ABSTRACT:
An automatic tachycardia detection assembly to be implanted in a person for stimulating the heart upon detection of abnormal tachycardias. The assembly includes an atrial sensor (16) and ventricular sensor (18) for sensing activity within the atria and ventricles of the heart, respectively. Also included is an electrical stimulator or cardioverter/defibrillator (20, 22) for therapeutically stimulating the heart upon detection of abnormal tachycardias. The assembly (10) includes a housing (12) enclosing a control circuit (14) to be implanted within a person responsive to the sensors (16, 18) controlling the cardioverter/defibrillator (20, 22). The control circuit (14) distinguishes sinus tachycardia from ventricular tachycardia having 1:1 VA conduction by comparing the measured tachycardia AV interval to a predetermined sinus AV interval.

REFERENCES:
patent: 4421116 (1983-12-01), Markowitz
patent: 4577634 (1986-03-01), Gessman
patent: 4624260 (1986-11-01), Baker, Jr. et al.
patent: 4712555 (1987-12-01), Thornander et al.

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