15th February 2024

A 3-year-old boy attends the clinic with his mother due to a history of recurrent chest

A 3-year-old boy attends the clinic with his mother due to a history of recurrent chest and ear infections. He had several abscesses requiring drainage and antibiotics. His mother reports that her pregnancy and antenatal period were normal. On arrival at the clinic, he was small for his age.

Which of the following would be the best test to elude to a diagnosis?

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