A 28-year-old man with a history of gastroesophageal reflux disease (GERD) presents for emergency cesarean section in a pregnant woman (his partner). He is scheduled for RSI but the anesthesiologist wants to confirm gastric volume and pH before proceeding. Which investigation is most appropriate to assess aspiration risk in this patient?

See the options, answer & explanation

Sign in free to reveal the answer choices, the correct answer, the detailed explanation, and AI-powered insights for this question.