title: Quinidine, procainamide therapy can be switched from oral to IV for surgery.
mesh_terms: D000284:Administration, Oral; D006801:Humans; D007263:Infusions, Parenteral; D011342:Procainamide / Q000008:administration & dosage*; D011802:Quinidine / Q000008:administration & dosage*; D013514:Surgical Procedures, Operative
chemical_list: D011802:Quinidine; D011342:Procainamide