title: Severe hypertension and multiple atrial premature contractions following naloxone administration.
mesh_terms: D000368:Aged; D001145:Arrhythmias, Cardiac / Q000139:chemically induced*; D006325:Heart Atria; D006801:Humans; D006973:Hypertension / Q000139:chemically induced*; D008297:Male; D009200:Myocardial Contraction / Q000187:drug effects; D009270:Naloxone / Q000009:adverse effects*
chemical_list: D009270:Naloxone