title: Cardiology mediquiz. Case 3.
mesh_terms: D000368:Aged; D001282:Atrial Flutter / Q000175:diagnosis; D002037:Bundle-Branch Block / Q000175:diagnosis*; D003937:Diagnosis, Differential; D004562:Electrocardiography; D005260:Female; D006801:Humans; D013610:Tachycardia / Q000175:diagnosis