Grading dynamic capability of arterial collateral circulation.
D001783:Blood Flow Velocity; D003097:Collateral Circulation; D005263:Femoral Artery; D006801:Humans; D007866:Leg / Q000098:blood supply; D008722:Methods; D011150:Popliteal Artery; D014463:Ultrasonography; D014652:Vascular Diseases / Q000175:diagnosis