S3 gallop


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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.