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Disfunción del nervio mediano distal - Symptom

Nombres alternativos

Neuropatía del nervio mediano distal

Síntomas:

  • Dolor en la muñeca o la mano que lo despierta a uno en la noche
    • puede ser intenso
    • se puede sentir en otras áreas, por ejemplo en el brazo (esto se denomina dolor referido)
  • Cambios en la sensibilidad en el pulgar, el índice, el dedo del corazón y parte de los dedos anulares, como:
  • Debilidad de la mano que hace que uno:
    • deje caer cosas
    • tenga dificultad para agarrar objetos

Signos y exámenes:

El médico le examinará su muñeca y le hará preguntas acerca de su historia clínica. El examen puede mostrar disminución de la sensibilidad en el lado de la mano donde está el pulgar, denominado lado "radial". Puede presentarse debilidad del pulgar y dificultad al utilizarlo para apretar algo.

Los exámenes que revelan una disfunción del nervio mediano distal pueden ser:

Los exámenes están guiados por la presunta causa de la disfunción de acuerdo con los antecedentes de los pacientes, los síntomas presentados y el patrón del desarrollo del síntoma. Éstos pueden abarcar diversos exámenes de sangre, radiografías, gammagrafías u otros exámenes y procedimientos.

  • Reviewed last on: 8/27/2010
  • David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; Daniel B. Hoch, PhD, MD, Assistant Professor of Neurology, Harvard Medical School, Department of Neurology, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

Referencias

Jarvik JG, Comstock BA, Kliot M, et al. Surgery versus non-surgical therapy for carpal tunnel syndrome: a randomized parallel-group trial. Lancet.2009 Sep 26;374(9695):1074-81.

Zhao M, Burke D. Median neuropathy (carpal tunnel syndrome). In: Frontera WR, Silver JK, Rizzo TD, eds. Essentials of Physical Medicine and Rehabilitation. 2nd ed. Philadelphia, Pa: Saunders Elsevier; 2008:chap 32.

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