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Resonancia magnética - Risks

Nombres alternativos

Imágenes por resonancia magnética (IRM); Imágenes por resonancia magnética nuclear (RMN)

Riesgos:

La resonancia magnética no contiene ninguna radiación y, hasta la fecha, no se ha informado de efectos secundarios a causa de los campos magnéticos y las ondas de radio.

El tipo de medio de contraste (tinte) utilizado más común es el gadolinio, el cual es muy seguro. Las reacciones alérgicas a esta sustancia rara vez ocurren. Sin embargo, el gadolinio puede ser dañino para pacientes con problemas renales que requieran diálisis. Si usted tiene problemas en el riñón, por favor coméntele al médico antes del examen.

Los fuertes campos magnéticos que se crean durante una resonancia magnética pueden provocar que los marcapasos cardíacos y otros implantes no funcionen igual de bien. También pueden provocar que otros pedazos de metal dentro del cuerpo se desplacen o cambien de posición.

  • Reviewed last on: 11/21/2010
  • David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

Referencias

Wilkinson ID, Paley MNJ. Magnetic resonance imaging: basic principles. In: Adam A, Dixon AK, eds. Grainger & Allison's Diagnostic Radiology: A Textbook of Medical Imaging. 5th ed. New York, NY: Churchill Livingstone; 2008:chap 5.

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