1st April 2022

A 60-year-old male on the surgical ward has been complaining of breathlessness

A 60-year-old male on the surgical ward has been complaining of breathlessness over the past hour. He is day 5 post-op for an anterior resection of his rectal tumour. His observations were HR 110, RR 25, O₂ saturation 96% on air, temperature 37.2 °C. A chest X-ray showed no significant findings.

Which of the following is the most likely diagnosis?

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