26th July 2024

A 45-year-old gentleman presents to A&E in January with a history of arthralgia and weakness

A 45-year-old gentleman presents to A&E in January with a history of arthralgia and weakness. He has no fixed abode. On examination you identify needle marks on his arms and palpable purpura on his skin. What investigations will identify the cause of this patient’s presentation?

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