19th May 2025

Mr Khan is a 67-year-old gentleman who presents with an acute deterioration in his renal function.

Mr Khan is a 67-year-old gentleman who presents with an acute deterioration in his renal function. Blood tests also reveal a haemolytic anaemia and thrombocytopenia, raised LDH and raised reticulocytes. Renal biopsy demonstrates the presence of microvascular hyaline thrombi. You review his list of medications. Which of the following is LEAST likely to be the causative agent?

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