"Sudden cardiac death" is not always so sudden. Heed certain warning symptoms and save your life.
D016887:Cardiopulmonary Resuscitation / Q000706:statistics & numerical data; D003324:Coronary Artery Disease / Q000150:complications; D016757:Death, Sudden, Cardiac / Q000209:etiology / Q000517:prevention & control*; D047548:Defibrillators; D006801:Humans; D013997:Time Factors; D014693:Ventricular Fibrillation / Q000150:complications