Knock test

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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Definition
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Diagnostic procedure for the detection of valve insufficiencies in the course of the vena saphena magna and for the objectification of thrombophlebitis of the deep leg veins. Performed while standing; in the case of insufficient valves, the pressure wave triggered by tapping propagates distally over a larger segment. See also chronic venous insufficiency; see also varicosis.

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Last updated on: 29.10.2020