6th May 2025

A 72-year-old man has come to see you as he is feeling more fatigued than usual.

A 72-year-old man has come to see you as he is feeling more fatigued than usual. He reports a cough which is worse at night and is unable to lie down flat. He is unable to climb the stairs to the first floor of his house. He has also noticed that his feet are no longer able to fit into his shoes. 

Which of the following is the most appropriate next investigation? 

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