Episodio – Eje tiroideo y terapia con T3: ¿qué pasa con TSH, T4 y rT3? | USMLE Step 1 episode artwork

EPISODE · Nov 18, 2025 · 6 MIN

Episodio – Eje tiroideo y terapia con T3: ¿qué pasa con TSH, T4 y rT3? | USMLE Step 1

from USMLE DREAMERS · host USMLE DREAMERS

En este episodio revisamos un caso de hipotiroidismo primario y analizamos qué ocurre con TSH (thyroid-stimulating hormone / hormona estimulante de tiroides), T3 (triiodothyronine / triyodotironina), T4 (thyroxine / tiroxina) y rT3 (reverse T3 / T3 reversa) cuando damos T3 exógeno (liothyronine). Integramos el eje hipotálamo–hipófisis–tiroides, el papel del feedback negativo y por qué en clínica se prefiere T4 (levothyroxine / levotiroxina). #USMLE #Step1 #USMLEDreamers #Endocrinología #Tiroides #TSH #T3 #T4 #rT3 #Liothyronine #Levothyroxine #Fisiología

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Episodio – Eje tiroideo y terapia con T3: ¿qué pasa con TSH, T4 y rT3? | USMLE Step 1

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