Parálisis Periódica Tirotóxica: consideraciones diagnósticas y de manejo
Fahad S Alrashedi1, Raghad A Alonazi2
1Internal medicine department, Nephrology section, Ad diriyah hospital, Third riyadh health cluster, Riyadh, Saudi Arabia dr-fsr@hotmail.com.
BMJ case reports
|December 12, 2025
Resumen
La parálisis periódica tirotóxica, una complicación rara de la tirotoxicosis, causa debilidad súbita debido a bajos niveles de potasio. El reemplazo rápido de potasio y el tratamiento de la condición tiroidea subyacente restauraron eficazmente la fuerza muscular.
Sus antecedentes:
- La parálisis periódica tirotóxica (PPT) es una complicación rara y potencialmente mortal de la tirotoxicosis.
- Se caracteriza por parálisis flácida inducida por hipopotasemia debido al desplazamiento intracelular de potasio.
Conclusiones:
- El diagnóstico de PPT se apoya en hipopotasemia sin trastorno ácido-base, conservación renal adecuada del potasio y cambios característicos en el ECG.
- El manejo eficaz requiere la reposición inmediata de potasio, el bloqueo beta y el tratamiento definitivo de la tirotoxicosis para prevenir la recurrencia.
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