Cricoid compression is effective in obliterating the esophageal lumen in the presence of a nasogastric tube.
D000770:Anesthesia, Endotracheal / Q000009:adverse effects*; D003413:Cricoid Cartilage; D004947:Esophagus / Q000000981:diagnostic imaging / Q000503:physiopathology*; D005764:Gastroesophageal Reflux / Q000517:prevention & control*; D006801:Humans; D007441:Intubation, Gastrointestinal / Q000009:adverse effects*; D007817:Laryngeal Cartilages; D011312:Pressure; D011859:Radiography