title: Do not discontinue antiarrhythmic drugs preoperatively.
mesh_terms: D000889:Anti-Arrhythmia Agents / Q000008:administration & dosage / Q000627:therapeutic use*; D004562:Electrocardiography; D006801:Humans; D008133:Long QT Syndrome / Q000150:complications / Q000188:drug therapy; D011300:Preoperative Care; D011802:Quinidine / Q000627:therapeutic use; D013610:Tachycardia / Q000209:etiology
chemical_list: D000889:Anti-Arrhythmia Agents; D011802:Quinidine