25th August 2020

A 34-year-old lady presented to the GP clinic with 8 months of persistent unintentional weight gain, menorrhagia, cold intolerance and constipation

A 34-year-old lady presented to the GP clinic with 8 months of persistent unintentional weight gain, menorrhagia, cold intolerance and constipation. She mentioned that this was preceded by a short period of heat intolerance and palpitations. Otherwise, she is fit and well with no past medical history. She has a mother with type 1 diabetes and an older sibling with coeliac disease. She denied smoking and excessive alcohol use. Physical examination revealed BMI of 34 kg/m2, bradycardia, diffuse goitre and loss of the lateral third of one of her eyebrows. 

Based on the above clinical description, which of the following blood tests would fit the suspected diagnosis?

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