S3 gallop | definition of S3 gallop by Medical dictionary
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Related to S3 gallop: S4 gallop
S3 gallop Third heart sound Cardiology The heart sound that coincides with the onset of a low frequency diastolic wave generated by rapid filling; the SG is best heard at the apex of the left lateral decubitus position; the SG indicates ↓ ventricular compliance, and is characteristic of CHF; 'physiologic' SGs occur in children and young adults. See Congestive heart failure.
References in periodicals archive
When using a non-electronic, cardiology-type stethoscope versus the LittmannA stethoscope 3000 series, cardiologists missed an S3 gallop
40% more often, a Grade 2 aortic regurgitation murmur five times more often and critical care nurses misidentified whether a sound was normal or abnormal two times more often.
Cardiologists missed an S3 gallop
40 percent more often with a non-electronic stethoscope than with a Littmann Electronic Stethoscope Model 3000 Series.
et al, utilized Daxor's BVA-100 Blood Volume Analyzer and was the first study of its kind to compare clinical assessment of congestive signs such as increased jugular venous pressure, rales, hepatomegaly, S3 gallop
, blood pressure, with a measured blood volume.