title: The effect of heroin and multiple drug abuse on the electrocardiogram.
mesh_terms: D000293:Adolescent; D000328:Adult; D000437:Alcoholism / Q000150:complications; D001463:Barbiturates / Q000009:adverse effects; D001919:Bradycardia / Q000139:chemically induced* / Q000401:mortality; D003042:Cocaine / Q000009:adverse effects; D003645:Death, Sudden; D004562:Electrocardiography; D005260:Female; D006321:Heart / Q000187:drug effects; D006339:Heart Rate / Q000187:drug effects; D003932:Heroin / Q000009:adverse effects; D006801:Humans; D008297:Male; D008691:Methadone / Q000009:adverse effects / Q000652:urine; D008875:Middle Aged; D009020:Morphine / Q000652:urine; D011803:Quinine / Q000652:urine; D019966:Substance-Related Disorders / Q000150:complications*
chemical_list: D001463:Barbiturates; D003932:Heroin; D009020:Morphine; D011803:Quinine; D003042:Cocaine; D008691:Methadone