Question 188 · LEK · Peptic ulcer disease
A thirteen-year-old boy has been complaining for several weeks of abdominal pain and black stools. What test should be performed first?
- A. 24-hour pH of the esophagus.
- B. impedance with pH measurement.
- C. radiological examination.
- D. endoscopy with biopsy.
- E. gastric hydrochloric acid test.
Hint
Black tarry stools point to bleeding from a specific part of the GI tract; choose the test that can both see the lesion and sample it.
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