title: Pneumomediastinum in a trumpeter diagnosed by the presence of Hamman's crunch.
abstract: A trumpet player presented with sudden onset chest sounds corresponding with systole. He was otherwise asymptomatic, and the complaint resolved spontaneously. He was diagnosed with pneumomediastinum clinically on the basis of the presence of Hamman's crunch, and was discharged home without complication.
authors.affiliation: Department of Medicine, Wansbeck General Hospital, Newcastle upon Tyne, UK.
authors.forename: Christopher Graham
authors.initials: CG
authors.lastname: Wilkinson
authors.forename: Phil C
authors.initials: PC
authors.lastname: Adams
mesh_terms: D006801:Humans; D008297:Male; D008478:Mediastinal Emphysema / Q000175:diagnosis*; D008875:Middle Aged; D013016:Sound; D013909:Thorax