normal heart, a thin layer called the pericardium surrounds and protects the
heart. There is a small amount of fluid between the pericardium and the heart.
This fluid helps cushion the heart.
sometimes too much fluid builds up in this space around the heart. This is
called pericardial effusion. This extra fluid puts pressure on the heart and
can cause chest pain and serious heart problems.
Primary Medical Reviewer
Rakesh K. Pai, MD, FACC - Cardiology, Electrophysiology
Specialist Medical Reviewer
Stephen Fort, MD, MRCP, FRCPC - Interventional Cardiology
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