title: What is that around the heart? Pneumopericardium.
authors.affiliation: Department of Neonatology, The Townsville Hospital, Townsville, Queensland, Australia; Department of Paediatrics, Dunedin Public Hospital, Dunedin, Otago, New Zealand.
authors.forename: Liza
authors.initials: L
authors.lastname: Edmonds
authors.forename: Susan
authors.initials: S
authors.lastname: Ireland
mesh_terms: D003937:Diagnosis, Differential; D004630:Emergencies; D006321:Heart / Q000000981:diagnostic imaging*; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D011026:Pneumopericardium / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000503:physiopathology; D011859:Radiography; D014474:Unconsciousness / Q000209:etiology* / Q000628:therapy