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Abdominal tap
Definition:
An abdominal tap is a procedure in which a needle is inserted through the abdominal wall to remove fluid from the abdomen. Normally, the abdomen contains only a small amount of fluid. In certain conditions, large amounts of fluid can accumulate in the abdomen. There are two kinds of abdominal taps: - Diagnostic tap -- a small amount of fluid is taken and sent to the laboratory for testing
- Large volume tap -- several liters may be removed to relieve abdominal pain and fluid buildup
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Alternative Names:
Peritoneal tap; Paracentesis How the test is performed:
This test may be done in an office setting, in a treatment room, or in a hospital. The puncture site will be cleansed and shaved, if necessary. You then receive a local anesthetic. The tap needle is inserted 1 to 2 inches into the abdomen. Sometimes a small incision is made to help insert the needle. The fluid is then withdrawn into a syringe. The needle is removed, and a dressing is applied to the puncture site. If an incision was made, one or two stitches may be used to close it. How to prepare for the test:
Inform your health care provider if you have any allergies to medications or anesthetic, are taking any medications (including herbal remedies), have any bleeding problems, or might be pregnant. Infants and children:
The preparation you can provide for this test depends on your child's age, previous experience, and level of trust. For general information regarding how you can prepare your child, see the following topics:
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