Doppler study lower extremity arteriovenous fistula
Doppler study lower extremity arteriovenous fistula
Duplex Doppler ultrasound image of a relatively small arteriovenous fistula developing after cardiac catheterization. The fistula, seen in red, involves a connection between the common femoral artery (CFA) and a branch of the greater saphenous vein (GSV). The site of the bruit is also noted.