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Anticuerpo frente a los receptores acetilcolínicos - Overview

Definición:

Es una proteína que se encuentra en la sangre de la mayoría de las personas con miastenia grave. El anticuerpo afecta a un químico que envía señales de los nervios a los músculos y entre los nervios en el cerebro.

Este artículo aborda el examen para el anticuerpo frente a los receptores acetilcolínicos.

Forma en que se realiza el examen:

Se necesita una muestra de sangre. Para obtener información sobre la forma como se hace esto, ver el artículo: venopunción.

Preparación para el examen:

No se necesita ninguna preparación especial.

Lo que se siente durante el examen:

Puede haber una ligera sensación de pinchazo o picadura al extraer la sangre, pero esto generalmente es leve y breve.

Razones por las que se realiza el examen:

Este examen se utiliza para ayudar a diagnosticar miastenia grave.

Examen de sangre

Reviewed last on: 4/30/2011
Kevin Sheth, MD, Department of Neurology, University of Maryland School of Medicine, Baltimore, MD. Review provided by VeriMed Healthcare Network. Also reviewed by David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine;David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

Referencias

Vincent A, Newson-Davis J. Disorders of neuromuscular transmission. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier. 2007: chap 448.

Sanders DB, Howard JF Jr. Disorders of neuromuscular transmission. In: Bradley WG, Daroff RB, Fenichel GM, Jankovic J, eds. Bradley: Neurology in Clinical Practice. 5th ed. Philadelphia, Pa: Butterworth-Heinemann Elsevier; 2008:chap 82.

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