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Percussion is a method of "tapping" on body parts during a physical examination with fingers, hands, or small instruments to evaluate the size, consistency, borders and presence or absence of fluid in body organs.

Review Date 1/21/2013

Updated by: 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.