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Dictionary Meaning and Definition on 'Paracentesis'

Paracentesis Meaning and Definition from WordNet (r) 2.0
    paracentesis n : centesis of the belly to remove fluid for diagnosis [syn: abdominocentesis]
Paracentesis Meaning and Definition from Webster's Revised Unabridged Dictionary (1913)
    Paracentesis \Par`a*cen*te"sis\, n. [L., fr. Gr. ?, fr. ? to pierce at the side, to tap.] (Med.) The perforation of a cavity of the body with a trocar, aspirator, or other suitable instrument, for the evacuation of effused fluid, pus, or gas; tapping.
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Wikipedia Meaning and Definition on 'Paracentesis'

Paracentesis is a medical procedure involving needle drainage of fluid from a body cavity, most commonly the peritoneal cavity in the abdomen.

A related procedure is thoracocentesis, which is needle drainage of the chest cavity. Pericardiocentesis involves taking fluid in the area of the pericardium.

It is used for a number of reasons:

The procedure is often done in a doctor's office or an outpatient clinic. In an expert's hands, it is very safe, although there is a very small risk of introducing an infection, causing excessive bleeding or perforating a loop of bowel. Some of these risks can be minimized greatly with the use of ultrasound guidance.

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