Tachycardia arrester

Details Tachycardia arrester Tachycardia arrester

1979-08-08

1981-07-28

Kamm, William E.

Surgery

Truss

Pad

A61N 136

Patent

active

042805023

ABSTRACT:
A method and apparatus are provided for detecting and arresting a condition of tachycardia. Stimulating pulses are provided in a search routine within a selected time interval after a tachycardia beat. The heart is monitored after each pulse application and the search is terminated when a normal heartbeat is detected. In a preferred search routine, the refractory interval of the heart adjacent the electrode is determined during a first search routine. If the first search routine does not terminate the tachycardia, the refractory interval found during the search is stored. A second pulse is then applied in a time interval following the refractory interval pulse to break the tachycardia. The breaking interval is determined through a second search routine generated in an interval following the refractory interval pulse.

REFERENCES:
patent: 3693627 (1972-09-01), Berkovits
patent: 3921642 (1975-11-01), Preston et al.
patent: 3939844 (1976-02-01), Pequignot
patent: 3942534 (1976-03-01), Allen et al.

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