The nurse explains that the primary purpose of percussion is to Loosen pulmonary secretions.
As part of a physical examination, percussion involves tapping various bodily parts with the fingers, hands, or small instruments. It is carried out to assess the presence or absence of fluid in various body regions as well as the size, consistency, and borders of the body's organs.
When percussion is being conducted bodily component is being beaten and makes sound, much as beating a drum. The type of tissue within the body part or organ is indicated by the sound. Lungs are filled with air, which makes them sound hollow when struck. Solid organs like the liver, bones, and joints also have a solid sound. The abdomen sounds like an organ that is hollow and contains either air, liquid, or solids.
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