Korotkoff's Sounds

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Abstract
Previously reported experiments have shown that sounds identical to heart sounds recorded from the precordium can be evoked from the valves obtained at autopsy and suddenly drawn taut near a microphone in a small tank of water.1 2 3 In an effort to complete such studies of the genesis of vascular sounds, the noise heard over the brachial artery when estimating blood pressure by Korotkoff's method has now been reproduced in isolated arterial segments by production of a sudden rise in perfusion pressure. Similar sounds can be heard over the femoral arteries in patients with various diseases that cause low diastolic and . . .