title: Two cases of cocaine nasal insufflation-induced pneumomediastinum.
authors.affiliation: ACCS CT2 Acute Medicine, Acute Medical Unit, Royal Liverpool University Hospital, Liverpool.
authors.forename: James
authors.initials: J
authors.lastname: O'Connor
authors.affiliation: Consultant in Acute Medicine, Department of Acute Medicine, Royal Liverpool University Hospital, Liverpool L7 8XP.
authors.forename: Bryan
authors.initials: B
authors.lastname: Renton
mesh_terms: D003042:Cocaine / Q000009:adverse effects*; D019970:Cocaine-Related Disorders / Q000150:complications*; D004417:Dyspnea / Q000209:etiology; D006801:Humans; D007327:Insufflation / Q000009:adverse effects*; D008478:Mediastinal Emphysema / Q000000981:diagnostic imaging / Q000209:etiology*; D013902:Radiography, Thoracic; D014662:Vasoconstrictor Agents / Q000009:adverse effects*
chemical_list: D014662:Vasoconstrictor Agents; D003042:Cocaine