title: Quinidine syncope. Paroxysmal ventricular fibrillation treated with lidocaine.
mesh_terms: D005260:Female; D006801:Humans; D008875:Middle Aged; D011802:Quinidine / Q000009:adverse effects*; D013575:Syncope / Q000139:chemically induced*
chemical_list: D011802:Quinidine