The Ausculatory Gap in Arteriosclerotic Heart Disease

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Abstract
Auscultatory gaps, found in some patients with arteriosclerotic heart disease, can be elicited in others by reducing blood flow in the extremity. Reactive hyperemia eliminates the gap in every instance. The gap therefore appears to represent a vasospastic disturbance that limits the blood flow to the extremities, despite the presence of an enhanced pressure head.