Color coded ultrasonic differential velocity arterial scanner (Echoflow).
D001157:Arterial Occlusive Diseases / Q000175:diagnosis*; D001775:Blood Circulation; D002339:Carotid Arteries; D003116:Color; D004301:Doppler Effect; D006801:Humans; D013690:Television; D014465:Ultrasonics / Q000295:instrumentation*; D014463:Ultrasonography