Also found in: Dictionary, Thesaurus, Encyclopedia.
percussion(per-kush'un) [L. percussio, a striking]
1. Striking the body surface (usually with the fingers or a small hammer) to determine the position, size, or density of underlying structures.
2. A technique for mobilizing secretions from the lungs by striking the chest wall with cupped hands.
3. Any of the techniques of body massage in which the hands are used to strike the body and are drawn back after contact in order to control the impact. These techniques include beating with a loosely closed fist, clapping with the palm of the hand, cupping with a cupped hand, hacking with the ulnar border of the hand, and tapping with the knuckles or tips or flats of the fingers. Synonym: 1 tappingtapotement
Percussion combined with auscultation.
bimanual percussionMediate percussion.
Forceful percussion used to elicit a note from a deeply seated tissue or organ.
direct percussionImmediate percussion.
Striking of the examiner's finger as it rests upon the patient's body with a finger of the examiner's other hand.
Percussion performed by striking the surface directly with the fingers. Synonym: direct percussion
indirect percussionMediate percussion.
Percussion performed by using the fingers of one hand as a plexor and those of the opposite hand as a pleximeter. Synonym: bimanual percussion; indirect percussion
Percussion in which the examiner uses his or her fingers to feel vibrations that are produced within the body, instead of listening for the sounds produced by striking the body.
Percussing lightly with the fingers on a glass-rod pleximeter, the far end of which is covered with a rubber cap. The cap is usually placed on an intercostal space. This technique is used to confine the percussion to a very small area.