“…SUD in people is investigated by autopsy, and can be classified according to cardiac and non-cardiac causes [ 7 ]. Cardiac causes are most common and include acute coronary syndrome, stress-induced myocardial ischemia, cardiomyopathy, congenital heart disease, arrhythmia, and viral myocarditis [ 6 , 7 ]. Non-cardiac causes are varied and include arrhythmogenic and cardiotoxic drugs, electrocution, acute respiratory disease (pulmonary embolism, pneumonia), acute gastrointestinal hemorrhage, epilepsy, anaphylaxis, necrotizing pancreatitis, acute peritonitis, and brain herniation [ 7 , 8 ].…”