Thinking critically about the Sengstaken-Blakemore tube.
D004932:Esophageal and Gastric Varices / Q000150:complications; D004947:Esophagus; D006471:Gastrointestinal Hemorrhage / Q000209:etiology / Q000628:therapy*; D006801:Humans; D007440:Intubation / Q000295:instrumentation*