1st August 2023

A 63 year old man is admitted with a 3 day history of shortness of breath, malaise, and lethargy.

A 63 year old man is admitted with a 3 day history of shortness of breath, malaise, and lethargy. On examination, he is tachycardic, looks very pale, and has multiple bruises. He has recently been looking after his 6 year old granddaughter, who he states was her usual playful self despite a bright red rash on her cheeks. His medical history is significant for infrequent attacks of autoimmune haemolytic anaemia.

Blood tests are not yet available.

What is the most appropriate next step?

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