The use of a Doppler ultrasound probe for localising arterial blood flow during upper gastrointestinal endoscopy.
D004724:Endoscopy; D004935:Esophageal Diseases / Q000175:diagnosis*; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis / Q000628:therapy; D006801:Humans; D010437:Peptic Ulcer / Q000175:diagnosis*; D010438:Peptic Ulcer Hemorrhage / Q000175:diagnosis / Q000628:therapy; D014456:Ulcer / Q000175:diagnosis; D014463:Ultrasonography