Dual channel P-wave detection in surface electrocardiographs
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United States of America Patent
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-
Dec 27, 1988
Grant Date -
N/A
app pub date -
Mar 13, 1987
filing date -
Mar 13, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus for reliably detecting the P-wave component in a surface electrocardiograph. An adaptive Least Means Square filter is implemented in a programmed computer and the computer receives as its inputs a digitized version of the ECG waves picked up from two discrete locations on a subject's chest wall. The LMS adaptive filter functions to accommodate the energy component of the QRS complex thereby leaving the P-wave as the paramount signal component in the filter's 'error' output.
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