23rd February 2024

A 30-year-old woman presents to the outpatient thyroid clinic with palpitations, diarrhoea and heat intolerance.

A 30-year-old woman presents to the outpatient thyroid clinic with palpitations, diarrhoea and heat intolerance. Blood test is positive for thyrotropin receptor antibody (TRAb). The patient is thereafter diagnosed with Grave’s disease with plans to start Propylthiouracil treatment.

Select one option which correctly describes an element of the monitoring required during treatment.