title: Passage of barium meal through esophagus in patients with balloon tamponade of esophageal varices.
abstract: Four patients in different states of consciousness in treatment with Sengstaken-Blakemore tube were given a barium meal. In every case the contrast medium passed the balloons and was cleared from the upper esophagus in less than four minutes, and none of it was aspirated to the bronchi.
mesh_terms: D001466:Barium Sulfate; D003679:Deglutition; D004932:Esophageal and Gastric Varices / Q000628:therapy*; D006471:Gastrointestinal Hemorrhage / Q000628:therapy; D006801:Humans; D001239:Inhalation; D007440:Intubation / Q000009:adverse effects
chemical_list: D001466:Barium Sulfate