Pericardial effusion

Pericardial effusion is a more common clinical manifestation, especially after echocardiography has become a routine examination of cardiovascular disease, the detection rate of pericardial effusion in patients has increased significantly, up to 8.4%. Most pericardial effusions do not show clinical signs due to the small amount. In a few patients, pericardial effusion became a prominent clinical manifestation due to a large amount of effusion. When the pericardial effusion lasts for more than several months, it forms a chronic pericardial effusion. There are many causes of chronic pericardial effusion, most of which are related to diseases that can affect the pericardium.