title: ECGs in the ED.
authors.forename: Ronn E
authors.initials: RE
authors.lastname: Tanel
mesh_terms: D003490:Cyanosis / Q000175:diagnosis / Q000209:etiology; D004562:Electrocardiography; D004636:Emergency Service, Hospital; D006337:Heart Murmurs; D006801:Humans; D000860:Hypoxia / Q000209:etiology; D007223:Infant; D008297:Male; D013771:Tetralogy of Fallot / Q000150:complications / Q000175:diagnosis* / Q000503:physiopathology