Episodio – Fibrosis quística: CFTR, ENaC y potencial transepitelial nasal | USMLE Step 1

from USMLE DREAMERS · host USMLE DREAMERS

En este episodio analizamos un caso clínico de un niño con sinusitis recurrente y tos crónica persistente, en quien la sospecha de fibrosis quística permanece a pesar de una prueba de sudor normal. A partir de este escenario, desarrollamos la fisiología del canal CFTR (cystic fibrosis transmembrane conductance regulator), su interacción con ENaC (epithelial sodium channel) y la lógica detrás del potencial transepitelial nasal más negativo de lo normal. Este episodio integra fisiología epitelial, genética y patología respiratoria de alto rendimiento.Este educational podcast, healthcare podcast y health education podcast está diseñado para reforzar uno de los temas clásicos de fisiología y patología respiratoria del USMLE Step 1.#USMLE #Step1 #FibrosisQuistica #CFTR #ENaC #RespiratoryPhysiology #Pediatrics #MedicalPodcast #USMLEDreamers #EducationalPodcast #HealthcarePodcast #HealthEducationPodcast

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This episode was published on April 13, 2026.

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