Step 2

Gastrointestinal 35

A 72-year-old woman presents to the emergency department with 2 days of fever, chills, and worsening right upper quadrant abdominal pain. Her medical history is significant for cholelithiasis and type 2 diabetes mellitus. Medications include metformin and atorvastatin. Temperature is 38.8°C (101.8°F), blood pressure is 104/62 mm Hg, pulse is 112/min, and respiratory rate is 20/min. Physical examination reveals scleral icterus and right upper quadrant tenderness. Laboratory studies show a leukocyte count of 16,000/mm³, total bilirubin of 5.2 mg/dL, and alkaline phosphatase of 420 U/L.

Which of the following is the most appropriate next step in management?

  • Endoscopic retrograde cholangiopancreatography
  • Immediate cholecystectomy
  • Observation with outpatient follow-up
  • Oral proton pump inhibitor therapy
  • Repeat laboratory testing in 1 week

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