8th July 2024

You are seeing a 56-year-old with left hand pain who has an arteriovenous fistula created 6 weeks ago

You are seeing a 56-year-old with left hand pain who has an arteriovenous fistula created 6 weeks ago. On examination, the left hand feels colder than the right, with reduced sensation on the medial aspect of this left arm. He denies any other neurological deficit or trauma. His regular medications include Amlodipine 10 mg OD, Sodium bicarbonate 500 mg BD, and insulin NoVoMix-30 6 units BD.

What is the likely cause of this patient’s symptoms?

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