Hepatobiliary Disease USMLE Step 1 Practice Question
A 43-year-old woman with a history of gallstones presents with severe epigastric pain radiating to the back and repeated vomiting for 6 hours. Vital signs show BP 128/82 mmHg, HR 102/min, RR 20/min, and temperature 37.8°C. Laboratory studies reveal serum lipase of 1,200 U/L (normal <200) and amylase of 950 U/L. Abdominal ultrasound demonstrates gallstones without biliary dilation. She denies recent alcohol use. Which diagnosis best explains her presentation?
Answer choices
- APeptic ulcer disease
- BAcute pancreatitisCorrect answer
- CAcute cholangitis
- DAcute appendicitis
- EMesenteric ischemia
- FAcute cholecystitis
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