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Subclinical hyperthyroidism — SCE Endocrinology MCQ

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HardThyroidSubclinical hyperthyroidismSCE Endocrinology

A 72-year-old woman has TSH 0.05 mU/L, normal free T4 and normal free T3 on repeated testing. She has osteoporosis and paroxysmal atrial fibrillation. What is the most appropriate management?

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Correct answer: B — Consider treatment of subclinical hyperthyroidism because she is high risk

Persistent subclinical hyperthyroidism in an older patient with atrial fibrillation and osteoporosis carries clinically important risk and may merit treatment. Levothyroxine would worsen the suppressed TSH. Bone protection alone does not address the thyroid-driven arrhythmia and bone risks.

Reference: NICE NG145