A 28-year-old lady has put on weight (10 kg over a period of 3 years), and has oligomenorrhea! followed by amenorrhea for 8 months. The blood pressure Is 160/100 mm of Hg. Which of the following Is the most appropriate investigation ?
High-Yield Explanation
In above case the paitent shows the symptoms of hypothyroidism and is in the most affecting age group of females . So a thyroid hormone assay is the most approrpiate investigation . Features of Hypothyroidism Ref - Davidson 23e p637