10th March 2024

A 25-year-old swimming instructor presents to the Rheumatology outpatient clinic describing episodes of colour change in his fingers during his swimming lessons.

A 25-year-old swimming instructor presents to the Rheumatology outpatient clinic describing episodes of colour change in his fingers during his swimming lessons. This happens transiently, going from white to blue to red, then his normal skin colour. He has no past medical history or family history and is usually fit and well. What is the most likely diagnosis?

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