Method and apparatus for detecting left ventricular lead...

Details Method and apparatus for detecting left ventricular lead... Method and apparatus for detecting left ventricular lead...

2004-11-30

2010-02-16

Layno, Carl H (Department: 3766)

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

C607S028000, C607S037000

Reexamination Certificate

active

07664550

ABSTRACT:
Displacement or migration of a left ventricular lead located within the coronary sinus or coronary veins of the heart is detected by comparing an electrogram (EGM) waveform pattern from the lead with a stored baseline EGM waveform pattern. Based upon the extent of lead migration, if any, a lead displacement may produce an annunciating response. The patient may be alerted, an electrical stimulus applied through the lead may be adjusted to compensate for lead migration, or an alternative electrode on the lead may be used for EGM sensing and pacing.

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