Trendelenburg test

Determines the competency of the valves in communicating veins between the superficial and deep veins of the leg. 

Trendelenburg test:

  • Used to evaluate the competence of the valves in the great saphenous vein and in the communicating veins between the superficial and deep venous systems.
  • Elevate the patient’s leg to 90 degrees to empty it of venous blood.
  • Place a tourniquet around the upper thigh tightly enough to occlude the great saphenous
  • Ask the patient to stand
  • Normally this takes about 35s for the saphenous vein to fill from below
  • Release of the tourniquet at 60 s produces no sudden increment in venous filling if the saphenous valves are competent.

Bates, Barbara. 1974. A Guide to Physical Examination. J.B. Lippincott Company, Toronto.

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