Drug history is important.
D000328:Adult; D005260:Female; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000139:chemically induced*; D008487:Medical History Taking; D011342:Procainamide / Q000009:adverse effects* / Q000627:therapeutic use; D013610:Tachycardia / Q000188:drug therapy
D011342:Procainamide