Episodio – Estenosis unilateral de arteria renal: RAAS (SRAA) y natriuresis por presión | USMLE Step 1

from USMLE DREAMERS · host USMLE DREAMERS

Un clip que estrecha una arteria renal unilateralmente activa el RAAS (SRAA) desde el riñón hipoperfundido. Eso sube angiotensina II (Ang II) y aldosterona, eleva la presión sistémica y “rescata” parcialmente la GFR (TFG) del riñón estenótico… pero castiga al riñón sano con presión alta, provocando natriuresis por presión (más excreción de Na⁺). En este episodio te explico el mapa mental para no confundirte con renina, GFR y sodio. #USMLE #USMLEStep1 #RenalPhysiology #RAAS #SRAA #Renin #AngiotensinII #Aldosterone #Hypertension #Natriuresis #Nephrology

Episode metadata supplied by the publisher feed · Published Dec 12, 2025

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Episodio – Estenosis unilateral de arteria renal: RAAS (SRAA) y natriuresis por presión | USMLE Step 1

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