Pericardial Effusion

Pericardial effusion ("fluid around the heart") is an abnormal accumulation of fluid in the pericardial cavity. Because of the limited amount of space in the pericardial cavity, fluid accumulation leads to an increased intrapericardial pressure which can negatively affect heart function. A pericardial effusion with enough pressure to adversely affect heart function is called cardiac tamponade. Pericardial effusion usually results from a disturbed equilibrium between the production and re-absorption of pericardial fluid, or from a structural abnormality that allows fluid to enter the pericardial cavity.

Normal levels of pericardial fluid are from 15 to 50 mL.

Read more about Pericardial EffusionTypes, Signs and Symptoms, Causes, Diagnosis, Treatment

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Acute Pericarditis - Treatment
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... may result in a build-up of fluid in the abdomen (ascites), fluid around the lungs (pleural effusion), or peripheral edema ... Pericardial effusion* is a collection of fluid in the pericardium ... is caused by heart failure, peritoneopericardial diaphragmatic hernias, uremia, pericardial cysts, or hypoalbuminemia ...
Pericardial Fluid - Pericardial Effusion
... A pericardial effusion is the presence of excessive pericardial fluid, this can be confirmed using an echocardiogram ... Small effusions are not necessarily dangerous and are commonly caused by infection such as HIV or can occur after cardiac surgery ... Large and rapidly accumulating effusions may cause cardiac tamponade, a life-threatening complication, that puts pressure on the heart preventing the ventricles from filling correctly ...
Cardiac Tamponade
... Cardiac tamponade, also known as pericardial tamponade, is an acute type of pericardial effusion in which fluid accumulates in the pericardium (the sac in which the heart ... the heart muscle which occurs when the pericardial space fills up with fluid faster than the pericardial sac can stretch ... increases slowly (such as in hypothyroidism) the pericardial sac can expand to contain a liter or more of fluid prior to tamponade occurring ...
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... (tuberculosis, spread from empyema) haemorrhagic (trauma, rupture of aneurysms, malignant effusion) ...

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