title: Heart-stopping news.
mesh_terms: D001145:Arrhythmias, Cardiac / Q000175:diagnosis* / Q000209:etiology / Q000517:prevention & control; D002303:Cardiac Output, Low / Q000150:complications; D017147:Defibrillators, Implantable; D004562:Electrocardiography; D005080:Exercise Test / Q000379:methods*; D006801:Humans; D009203:Myocardial Infarction / Q000150:complications