LAB TEST

Pericardiocentesis

Pericardiocentesis is a procedure that uses a needle to remove fluid from the pericardial sac. This is the tissue that surrounds the heart.

How the Test is Performed

The procedure is most often done in a special procedure room, such as a cardiac catheterization laboratory. It may also be done at a patient's hospital bedside. A health care provider will put an IV into your arm in case fluids or medicines need to be given through a vein. For example, you may be given medicines if…

How to Prepare for the Test

You may not be able to eat or drink for 6 hours before the test. You must sign a consent form.

How the Test will Feel

You may feel pressure as the needle enters. Some people have chest pain , which may require pain medicine.

Why the Test is Performed

This test may be done to remove and examine fluid that is pressing on the heart. It is most often done to find the cause of a chronic or recurrent pericardial effusion . It may also be done to treat cardiac tamponade , which is a life-threatening condition.

Normal Results

There is normally a small amount of clear, straw-colored fluid in the pericardial space.

What Abnormal Results Mean

Abnormal findings may indicate the cause of pericardial fluid accumulation, such as: Cancer Cardiac perforation Cardiac trauma Congestive heart failure Pericarditis Renal failure Infection Rupture of a ventricular aneurysm

Risks

Risks may include: Bleeding Collapsed lung Heart attack Infection (pericarditis) Irregular heartbeats ( arrhythmias ) Puncture of the heart muscle, coronary artery, lung, liver, or stomach Pneumopericardium (air in the pericardial sac)

References

Hoit BD, Oh JK. Pericardial diseases. In: Goldman L, Cooney KA, eds. Goldman-Cecil Medicine . 27th ed. Philadelphia, PA: Elsevier; 2024:chap 62. Lewinter MM, Cremer PC, Klein AL. Pericardial diseases. In: Libby P, Bonow RO, Mann DL, Tomaselli GF, Bhatt DL, Solomon SD, eds. Braunwald's Heart Disease: A Textbook of…

This is a summary. Read the full article at www.ucsfbenioffchildrens.org (reviewed 08/05/2024).

This page is general information and is not medical advice. It does not replace a registered doctor, and it is not a prescription or a recommendation to use any medicine or test. Prices are listed prices and may change. Always follow the advice of your doctor or pharmacist.