22nd December 2021

A 62-year-old man presents with worsening flank pain that has been going for the past few days associated with increased nausea

A 62-year-old man presents with worsening flank pain that has been going for the past few days associated with increased nausea. He has a history of benign prostatic hypertrophy and urinary stones. Abdominal examination reveals an enlarged right kidney and right sided loin tenderness. The patient has passed minimal fluid over the past 48 hours and has been diagnosed with an acute kidney injury (AKI). Which investigation would you want to perform?

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