title: Questioning guidelines in the ECG Puzzler.
authors.forename: Michele
authors.initials: M
authors.lastname: Kilbourne
authors.forename: Chris
authors.initials: C
authors.lastname: Sorenson
mesh_terms: D004562:Electrocardiography / Q000592:standards*; D006339:Heart Rate; D006801:Humans; D017410:Practice Guidelines as Topic; D012015:Reference Standards; D017180:Tachycardia, Ventricular / Q000175:diagnosis*