Intraoperative Doppler coronary artery finder.
Time-consuming difficulty is occasionally encountered in finding coronary arteries or previously placed vascular grafts during coronary revascularization procedures. A catheter-tipped, continuous-wave Doppler ultrasonic probe with simple audio output has been shown to be capable of expediting the search for these vessels.
D002404:Catheterization / Q000295:instrumentation; D003331:Coronary Vessels; D004301:Doppler Effect; D006801:Humans; D009204:Myocardial Revascularization / Q000295:instrumentation*; D014465:Ultrasonics / Q000295:instrumentation*