NASA NTRS · 19680000144
Cardiac R-wave detector
Abstract
Cardiac R wave detector obtains the systolic contraction signal of the human heart and uses it as a reference signal for the heart-assist pump cycle. It processes the electrocardiac signal /QRS wave complex/ of the natural heart in a sequence of operations which essentially elimates all components from the input signal except the R wave.
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Gebben, V. D.. 1968-04-01. Cardiac R-wave detector. https://ntrs.nasa.gov/citations/19680000144
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