22nd December 2021

A 51-year-old woman presents to her GP with a two-week history of low energy, vomiting and headaches

A 51-year-old woman presents to her GP with a two-week history of low energy, vomiting and headaches. She has no significant medical history but has recently noticed that she is breathing faster than usual, which is affecting her sleep. Investigations reveal hyperchloraemic metabolic acidosis. Chest X-ray and echocardiogram are both clear. What is the most likely diagnosis?

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