title: How concerned should radiologists be about perforating the esophagus by administering an effervescent agent during a barium swallow to treat a foreign body impacted in the distal esophagus?
authors.affiliation: Hospital of the University of Pennsylvania, Philadelphia, USA.
authors.forename: M S
authors.initials: MS
authors.lastname: Levine
mesh_terms: D001466:Barium Sulfate; D002951:Citrates / Q000009:adverse effects*; D019343:Citric Acid; D004338:Drug Combinations; D004939:Esophageal Perforation / Q000209:etiology* / Q000517:prevention & control; D004947:Esophagus / Q000000981:diagnostic imaging*; D005547:Foreign Bodies / Q000150:complications / Q000000981:diagnostic imaging*; D005934:Glucagon / Q000009:adverse effects*; D006801:Humans; D011859:Radiography; D012307:Risk Factors; D017693:Sodium Bicarbonate / Q000009:adverse effects*
chemical_list: D002951:Citrates; D004338:Drug Combinations; C031210:citric acid, sodium bicarbonate drug combination; D001466:Barium Sulfate; D019343:Citric Acid; D017693:Sodium Bicarbonate; D005934:Glucagon