Perthes experiment

Synonym(s)

Perthes Test

Definition
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Clinical venous function test to check the deep leg veins in chronic venous insufficiency.

Implementation
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Apply the tourniquet tube underneath the knee joint to the standing patient, then let the patient walk for 5 minutes. If the deep veins (perforating or conducting veins) are insufficient, the filling status of the lower leg varices remains unchanged. See also Mahorner-Ochsner experiment, see also Trendelenburg experiment.