title: EKG cardiac monitoring in the operating room.
mesh_terms: D000328:Adult; D000368:Aged; D000768:Anesthesia, General / Q000009:adverse effects; D001145:Arrhythmias, Cardiac / Q000175:diagnosis* / Q000209:etiology; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D008991:Monitoring, Physiologic; D013514:Surgical Procedures, Operative