Programmable digital cardiac pacer

Details Programmable digital cardiac pacer Programmable digital cardiac pacer

1982-09-29

1985-12-10

Kamm, William E.

Surgery

Truss

Pad

128702, A61N 136

Patent

active

045572666

ABSTRACT:
A cardiac pacer has separate digital filter circuits for sensing atrial and ventricular activity. Parameter data stored in memory is used by the digital filters for identifying the various components of cardiac activity, such as the P, R and T waves, as well as for identifying Premature Ventricular Contractions (PVC). A Ventricular Rate Time Out period is established from the last natural beat or stimulating pulse; and if a P wave or natural R wave is not sensed during that period, the system generates a stimulating pulse and, using T wave parameters in the ventricular filter, tests to verify capture.

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