Question

A 70-year-old man presents with fatigue and pallor. Laboratory results show haemoglobin 88 g/L, mean corpuscular volume 72 fL, ferritin 8 µg/L and low transferrin saturation. He denies overt bleeding. Which investigation is most important to arrange urgently?

Accepted Answer

Upper and lower gastrointestinal endoscopy

Answer

Serum vitamin B12 level

Answer

Iron studies only

Answer

Coeliac serology alone

Answer

Abdominal ultrasound only

Practice question

A 70-year-old man presents with fatigue and pallor. Laboratory results show haemoglobin 88 g/L, mean corpuscular volume 72 fL, ferritin 8 µg/L and low transferrin saturation. He denies overt bleeding. Which investigation is most important to arrange urgently?