Question

A 45-year-old man complains of epigastric pain that improves with eating. Endoscopy reveals a duodenal ulcer. Which organism is the most likely causative factor, and recommended test for its detection?

Accepted Answer

Helicobacter pylori via urea breath test

Answer

Campylobacter jejuni via stool culture

Answer

Escherichia coli via stool culture

Answer

Giardia lamblia via stool ova test

Answer

Norovirus via PCR

Practice question

A 45-year-old man complains of epigastric pain that improves with eating. Endoscopy reveals a duodenal ulcer. Which organism is the most likely causative factor, and recommended test for its detection?