28th May 2025

A 43-year-old man is referred to the endoscopy department because of dyspepsia that is refractory to treatment with proton-pump inhibitors.

A 43-year-old man is referred to the endoscopy department because of dyspepsia that is refractory to treatment with proton-pump inhibitors. He undergoes an OGD which reveals a sharply demarcated 2cm antral ulcer. The endoscopist feels that the appearance is in keeping with a peptic ulcer.

What is the next most appropriate additional test to perform?

Select the SINGLE most appropriate option from the list below. Select ONE option only.