Gray scale and color duplex ultrasound of great saphenous vein valve. Note closure of the valve leaflets during the valsalva maneuver.
67 year old male, type1 diabetic, with painful ulceration at the tip of the second toe. Patient did not toe amputation.
62 year old female with 2 months of short distance claudication and rest pain at night
Active female with severe venous claudication 9 years after iliofemoral deep venous thrombosis.