24th July 2024

A 57-year-old male is referred to you with chronic iron-deficiency anaemia

A 57-year-old male is referred to you with chronic iron-deficiency anaemia. He has previously had multiple oesophago-gastro duodenoscopies (OGD) and colonoscopies, however no site of bleeding has been identified. His haemoglobin continues to drop and iron levels do not improve despite adequate iron replacement. Observations are stable and on examination you notice pallor, normal breath sounds, an ejection systolic murmur and no masses or tenderness in the abdomen.

What is the most appropriate investigation?

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