Timing the opening and closure of the aortic valve using a phonocardiogram envelope: a performance test for systolic time intervals measurement.
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DOI: 10.1088/1361-6579/abe0fe
Abstract: OBJECTIVE This work explored the reliability of using points on the heart sounds envelope as indicators of the opening and closure of the aortic valve (AVO, AVC) to measure the pre-ejection period (PEP) and the… read more here.
Keywords: envelope; aortic valve; opening closure; pep ... See more keywords