A 35yo man presents with hx of dyspepsia. H.Pylori antibodies are negative. No improvement is
seen after 1m of tx. What is the next step?
a. Urea breath test
b. Gastroscopy
c. CT
d. MRI
answerB
causes of PUD:
Hpylori, nsaids, idiopathic, zollinger ellisson
hypylori serology is almost as sensitive and specific as urea breath test,
gastroscopy to rule out ZE syndrome
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