high trh and tsh but klow t3 and t4 ๐ฅ vs vs โ High-Yield Exam Points, ๐ง TSH = Most sensitive screening test (FIRST test in thyroid disorders), ๐ TSH is the BOSS (negative feedback control), โก T3 = Most active hormone Thyroid Function in Athletes and
Thyroid Function in Athletes and Dancers Dr Nicky Keay TSH vs T3 vs T4 Dont just memorize, UNDERSTAND , Most students get confused not because its hard but because they miss the feedback loop logic., TSH = Signal from brain, T3 = Active hormone TSH Thyroid Stimulating Hormone T3 T4 TSH Normal Range: Thyroid Function Test Explained
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