Cardiac arrest after reversal of effects of opiates with naloxone.
D006323:Heart Arrest / Q000139:chemically induced*; D003932:Heroin / Q000037:antagonists & inhibitors*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009270:Naloxone / Q000009:adverse effects* / Q000627:therapeutic use; D014693:Ventricular Fibrillation / Q000139:chemically induced*
D009270:Naloxone; D003932:Heroin