title: Suspected procainamide-induced angioedema.
mesh_terms: D000799:Angioedema / Q000139:chemically induced*; D001145:Arrhythmias, Cardiac / Q000188:drug therapy; D006801:Humans; D008297:Male; D008875:Middle Aged; D011342:Procainamide / Q000009:adverse effects*
chemical_list: D011342:Procainamide