Paracentesis

Test Overview

Paracentesis is a procedure to take out fluid that has collected in the belly (peritoneal fluid). This fluid buildup is called ascitesClick here to see an illustration.. Ascites may be caused by infection, inflammation, an injury, or other conditions, such as cirrhosis or cancer. The fluid is taken out using a long, thin needle put through the belly. The fluid is sent to a lab and studied to find the cause of the fluid buildup. Paracentesis also may be done to take the fluid out to relieve belly pressure or pain in people with cancer or cirrhosis.


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Author: Jan Nissl, RN, BSLast Updated: November 28, 2006
Medical Review: Kathleen Romito, MD - Family Medicine
Jerome B. Simon, MD, FRCPC, FACP - Gastroenterology

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Topic Contents
Arrow PointerTest Overview
 Why It Is Done
 How To Prepare
 How It Is Done
 How It Feels
 Risks
 Results
 What Affects the Test
 What To Think About
 References
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