t -- Ancillary systems -- Monitoring devices -- Pediatrics and neonatology -- Perioperative management -- Coexisting disease and altered states -- Surgery-related and other issues -- Neurosurgery, ophthalmology, ENT -- Neurosurgery -- Ophthalmology -- Ear, nose, and throat -- Other surgical subspecialties -- Obstetrics and gynecology -- General surgery -- Urologic surgery -- Orthopedic surgery --