It's time for us to intervene.
D001145:Arrhythmias, Cardiac / Q000175:diagnosis / Q000000981:diagnostic imaging; D002309:Cardiology / Q000379:methods; D004562:Electrocardiography; D006801:Humans; D009683:Nuclear Medicine / Q000379:methods*; D005082:Physical Exertion; D010817:Physician-Patient Relations; D011877:Radionuclide Imaging / Q000379:methods*