7th September 2020

A 45-year-old female presents to her GP with a two-month history of fatigue, constipation and weight gain

A 45-year-old female presents to her GP with a two-month history of fatigue, constipation and weight gain. She has no relevant medical history and was otherwise well before the onset of symptoms. On examination, her observations are: HR 55, BP 110/95, RR 15, Temp 36.5. Additionally, you notice her skin appears coarse and dry, and her face is oedematous. 

Select the SINGLE most appropriate first set of investigations from the list below. Select ONE option only.