title: Atrial fibrillation with ventricular tachycardia showing "Dressler" beats.
mesh_terms: D001281:Atrial Fibrillation / Q000150:complications*; D004562:Electrocardiography; D006801:Humans; D008297:Male; D008875:Middle Aged; D013610:Tachycardia / Q000150:complications / Q000175:diagnosis*