title: Cardiology mediquiz. Case 1.
mesh_terms: D001281:Atrial Fibrillation / Q000175:diagnosis*; D002037:Bundle-Branch Block / Q000175:diagnosis*; D003937:Diagnosis, Differential; D004562:Electrocardiography; D006801:Humans; D013610:Tachycardia / Q000175:diagnosis; D014927:Wolff-Parkinson-White Syndrome / Q000175:diagnosis*