Implantable cardiac monitoring and/or control devices having aut

Details Implantable cardiac monitoring and/or control devices having aut Implantable cardiac monitoring and/or control devices having aut

1992-12-22

1994-08-23

Kamm, William E.

Surgery

Truss

Pad

A61B 504

Patent

active

053398203

ABSTRACT:
A method for automatic control of sensitivity, for implanted pacemaker, cardioversion and/or cardiac defibrillation device. Prior to the start of the cardiac cycle, the sensitivity threshold is set to a low value (Smax) so as to have maximum sensitivity. Upon detection of a ventricular complex, the amplitude is measured and the sensitivity threshold S is set to the value of that amplitude. The sensitivity threshold subsequently decreases in stages to return to the low value Smax.

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