Method and system for detecting dislodgment of an implanted righ

Details Method and system for detecting dislodgment of an implanted righ Method and system for detecting dislodgment of an implanted righ

1998-06-23

1999-11-23

Kamm, William E.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

A61N 137

Patent

active

059916621

ABSTRACT:
A system and method are provided for detecting dislodgment of a right atrial endocardial lead implanted within a heart right atrium wherein the lead includes an electrode. Atrial and ventricular activity of the heart are sensed with one other lead during a time period. Also during the time period, heart activity is sensed with the endocardial lead electrode. The sensed heart activity is stored in memory. The stored heart activity sensed with the one other lead is analyzed to establish a first time window from the sensed atrial heart activity and a second time window from the sensed ventricular activity. The heart activity sensed with the endocardial lead electrode during the first time window is then compared to the heart activity sensed with the endocardial lead electrode during the second time window.

REFERENCES:
patent: 3768487 (1973-10-01), Rose
patent: 5003975 (1991-04-01), Hafelfinger et al.
patent: 5476485 (1995-12-01), Ginberg et al.

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