Method and apparatus for filtering electrocardiogram (ECG) signa

Details Method and apparatus for filtering electrocardiogram (ECG) signa Method and apparatus for filtering electrocardiogram (ECG) signa

1999-03-29

2000-09-05

Getzow, Scott M.

Surgery

Diagnostic testing

Cardiovascular

A61B 50452

Patent

active

061156280

ABSTRACT:
In using electrogram signals to determine physiologic conditions like ischemia, the bad cardiac cycle information due to noise, axis shifts in the cardiac electrical axis, and the like must be removed if the electrogram signal can be made to be a good indicator. If this is accomplished through the adaptive filtering techniques shown here, the signal can be used to drive a closed loop therapy system responsive to those physiologic conditions discernible from good cardiac cycle electrocardiogram signals.

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