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left shoulder. collateral veins. cephalic vein is occluded. reverse blood flow. Patient has a dilated, thrombosed brachiocephalic fistula in his left upper arm. collateral veins. occluded outflow. brachial veins. Venous outflow is through deep brachial veins. collateral veins.
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left shoulder collateral veins cephalic vein is occluded reverse blood flow Patient has a dilated, thrombosed brachiocephalic fistula in his left upper arm
collateral veins occluded outflow brachial veins Venous outflow is through deep brachial veins
collateral veins arterial anastomosis occluding fistula while injecting contrast to opacify proximal segment of fistula
Extrinsic compression between 1st rib and clavicle