title: EKG of the month.
mesh_terms: D001161:Arteriosclerosis / Q000175:diagnosis; D003327:Coronary Disease / Q000175:diagnosis*; D004562:Electrocardiography; D006327:Heart Block / Q000175:diagnosis* / Q000601:surgery; D006801:Humans; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial