Posibleng Mga Sanhi para sa Biglang Kamatayan Pagdepende sa Heroin Chronic Alcoholism Congestive Heart Failure Malalang Intoxication sa Amphetamine Stroke Crack Ingestion Cardiomyopathy Coronary Atherosclerosis Myocardial Infarction Malalang Myocardial Infarction Obstructive Sleep Apnea Hypertrophic Cardiomyopathy Cor Pulmonale Suicidal Depression Pagka-overdose sa Opiate Pagdurugo ng Upper Gastrointestinal Pulmonary Embolism Influenza Pneumonia Overdose Tumor Lysis Syndrome Cerebral Hemorrhage Malalang Pancreatitis Aortic Valve Stenosis Status Epilepticus Phlegmasia Cerulea Dolens Marfan Syndrome Disseminated Intravascular Coagulation Paroxysmal Ventricular Tachycardia Status Asthmaticus Abdominal Aortic Aneurysm