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

2000-05-23

Kamm, William E.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

607 9, A61N 1362

Patent

active

060674695

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. Heart activity of the right ventricle of the heart and heart activity with the endocardial lead electrode are sensed during a time period. The sensed heart activity is stored in memory. The stored heart activity is analyzed to establish a first time window from the sensed ventricle activity and a second time window spaced from and preceding the first time window. 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. In another embodiment, whenever heart activity is sensed with the atrial endocardial lead during the first time period, the atrial endocardial lead is considered dislodged.

REFERENCES:
patent: 5713932 (1998-02-01), Gillberg et al.
patent: 5910120 (1999-06-01), Kim et al.

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