Gray scale and color duplex ultrasound of great saphenous vein valve. Note closure of the valve leaflets during the valsalva maneuver.
101 year old female, admitted to the hospital with foot and toe pain. Patient had a cool pulseless foot.
Active female with severe venous claudication 9 years after iliofemoral deep venous thrombosis.
65 year old cyclist with extensive superficial and deep venous incompetence and venous ulceration