What is the best initial imaging test for suspected acute cholecystitis?
Answer and explanation
Correct answer: D. Abdominal ultrasound
- Step 1: Ultrasound shows stones, wall thickening and pericholecystic fluid.
- Step 2: It is non-invasive and widely available.
Answer
Abdominal ultrasound.
Why not the others: 'Plain abdominal X-ray' misses most gallstones; 'Barium swallow' does not assess the gallbladder; 'Bone scan' is not relevant.
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