Gray scale and color duplex ultrasound showing reflex with the valsalva maneuver at the saphenofemoral junction (SFJ). Note the valve leaflets on the left image never oppose one another.
59 year old male, smoker, sudden onset of pain and discoloration of the right 3rd toe.
30 year old female, on oral contraceptives, with severe left leg swelling after a long car ride. Ultrasound showed left iliofemoral DVT.
65 year old cyclist with extensive superficial and deep venous incompetence and venous ulceration