Severe damage: Sudden death can occur if the heart is so damaged that you develop an arrhythmia, it's possible the arrhythmia could cause your heart to suddenly stop beating (sudden cardiac arrest). If not treated immediately, it causes sudden cardiac death.
Answered 2/11/2015
3.5k views
Myocarditis: An abnormal heartbeat sometimes occurs without warning in myocarditis. Some abnormal rhythms like ventricular fibrillation can cause sudden death.
Answered 10/28/2017
3.5k views
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