title: EKG of the month: coronary artery disease with sick sinus syndrome.
mesh_terms: D001026:Coronary Artery Bypass / Q000379:methods; D003327:Coronary Disease / Q000150:complications / Q000175:diagnosis* / Q000601:surgery; D004562:Electrocardiography; D006801:Humans; D008297:Male; D008875:Middle Aged; D012804:Sick Sinus Syndrome / Q000175:diagnosis* / Q000209:etiology