You are providing anesthesia for an adolescent undergoing a…

You are providing anesthesia for an adolescent undergoing a posterior spinal fusion for scoliosis. The neurophysiologist plans to monitor motor evoked potentials (MEPs) throughout the procedure. To ensure the acquisition of reliable waveforms, the CRNA must strictly avoid the continuous infusion or maintenance dosing of which of the following pharmacological agents?

Patient selection for freestanding Ambulatory Surgery Center…

Patient selection for freestanding Ambulatory Surgery Centers (ASCs) relies on carefully balancing patient comorbidities against surgical invasiveness. According to established societal guidelines for outpatient anesthesia, which of the following patients represents an absolute contraindication for elective surgery at an autonomous ASC due to an unacceptable risk of perioperative morbidity?