Episodio – Metahemoglobinemia adquirida por benzocaína: hipoxemia que no responde a oxígeno | USMLE Step 1

from USMLE DREAMERS · host USMLE DREAMERS

Paciente pediátrico con cianosis súbita tras anestésico tópico para drenaje de absceso periamigdalino. Saturación baja que no mejora con oxígeno suplementario. Analizamos la metahemoglobinemia adquirida, su fisiopatología (oxidación del hierro hemo Fe²⁺ → Fe³⁺), el desplazamiento a la izquierda de la curva de disociación oxígeno-hemoglobina y el manejo con azul de metileno.#USMLE #Step1 #USMLEDreamers #Hematología #Respiratorio #Metahemoglobinemia #Benzocaína #Pediatría

Episode metadata supplied by the publisher feed · Published Feb 7, 2026

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Episodio – Metahemoglobinemia adquirida por benzocaína: hipoxemia que no responde a oxígeno | USMLE Step 1

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