Hepatobiliary Disease USMLE Step 1 Practice Question
A 45-year-old woman presents with constant right upper quadrant pain, fever, nausea, and vomiting for 18 hours. Vital signs show temperature 38.9°C, heart rate 102/min, blood pressure 128/82 mmHg, and respiratory rate 16/min. Physical examination demonstrates inspiratory arrest during deep palpation under the right costal margin. Laboratory studies reveal leukocytosis of 14,200/μL and elevated alkaline phosphatase. Abdominal ultrasound shows gallstones without free fluid. Which of the following is the most likely diagnosis?
Answer choices
- AAcute cholecystitisCorrect answer
- BAcute pancreatitis
- CPerforated duodenal ulcer
- DAscending cholangitis
- EBiliary colic
- FAcute hepatitis
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