Percusión

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Definición

Es un método que consiste en dar golpecitos suaves en partes del cuerpo con los dedos, las manos o con pequeños instrumentos como parte de una exploración física.

Se hace para determinar: 

  • El tamaño, la consistencia y los bordes de órganos corporales.
  • La presencia o ausencia de líquido en áreas del cuerpo. 

La percusión de una parte del cuerpo produce un sonido, como tocar un tambor. El sonido es una señal del tipo de tejido dentro del órgano o la parte del cuerpo:

  • Los pulmones suenan huecos a la percusión porque están llenos de aire.
  • Los huesos, las articulaciones y los órganos macizos como el hígado suenan sólidos.
  • El abdomen suena como un órgano hueco lleno de aire, líquido o sólidos.

Nombres alternativos

Información

Referencias

Simel DL. Approach to the patient: history and physical examination. In: Goldman L, Schafer AI, eds. Goldman’s Cecil Medicine. 24th ed. Philadelphia, Pa: Saunders Elsevier; 2011:chap 6.

Version Info

  • Last reviewed on 1/21/2013
  • Linda J. Vorvick, MD, Medical Director and Director of Didactic Curriculum, MEDEX Northwest Division of Physician Assistant Studies, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington. Also reviewed by A.D.A.M. Health Solutions, Ebix, Inc., Editorial Team: David Zieve, MD, MHA, David R. Eltz, Stephanie Slon, and Nissi Wang.

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This page was last updated: May 20, 2014

         
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