Pericardiocentesis
Alternate Names : Percutaneous Pericardiocentesis, Pericardial Tap
Definition
Pericardiocentesis involves the use of a needle to withdraw fluid from the pericardial sac (membrane that surrounds the heart). The procedure may be used to remove fluid that is compressing the heart, or the fluid may be evaluated for diagnostic purposes.
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Why is the Test Performed?
This test is usually done to evaluate the cause of a chronic or recurrent pericardial effusion (fluid in the pericardial sac). It may also be done as a treatment measure to relieve cardiac tamponade (compression of the heart from an accumulation of fluid within the pericardial sac).
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