A 48-year-old woman is admitted with epigastric pain, nausea, and vomiting of 3 days’ duration. She has a history of uterine fibroids and what she calls mild hypertension, both of which are being followed by her gynecologist. She is otherwise healthy and taking no medications. She works in the restaurant industry.

She uses no illicit drugs, but for the past 15 years she has smoked one pack of cigarettes per day. She consumes 4 alcoholic drinks after work 5 times per week. She has had one arrest for driving under the influence (DUI) in the past year, but has never missed work, nor had a blackout, withdrawal symptoms, or exhibited tolerance to alcohol.