Peritoneal fluid culture

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Peritoneal culture

Peritoneal fluid culture is a laboratory test performed on a sample of peritoneal fluid to isolate and identify the presence of microorganisms that cause infection (peritonitis).

Peritoneal fluid is the fluid from the peritoneal cavity, a space between two membranes lining the abdominal cavity.

Culture - peritoneal fluid

The test is performed by paracentesis, a needle aspiration of the peritoneal cavity. A sample of fluid is sent to the laboratory for gram stain and culture preparation. The sample is examined regularly for the growth of microorganisms.

Empty your bladder prior to the paracentesis procedure.

A small area in your abdomen will be cleaned with an antiseptic. You will also receive local anesthesia and may feel a stinging sensation from the shot. You will then feel pressure as the needle is inserted. If a large amount of fluid is withdrawn, you may have a feeling of dizziness or light-headedness.

The test is done to find out if there is an infection in the peritoneal space (peritonitis).

Review Date: 02/10/2006
Reviewed By: Kenneth Wener, M.D., Division of Infectious Diseases, Beth Israel Deaconess Medical Center, Boston, MA. Review provided by VeriMed Healthcare Network.