Pericardial effusion
Too much fluid within the pericardium, which normally contains a small amount of serous, pale yellow fluid.
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- Pericardial sac
A conical sac of fibrous tissue which surrounds the heart and the roots of the great blood vessels. Also called the pericardium. The pericardium has outer and inner coats. The outer coat is tough and thickened, loosely cloaks the heart, and is attached to the central part of the diaphragm and the back of the […]
- Pericardial tamponade
A life-threatening situation in which there is such a large amount of fluid (usually blood) inside the pericardial sac around the heart that it interferes with the performance of the heart. The end result, if untreated, is low blood pressure, shock and death. The excess fluid in the pericardial sac acts to compress and constrict […]
- Pericarditis
Inflammation of the lining around the heart (the pericardium) that causes chest pain and accumulation of fluid around the heart (pericardial effusion). There are many causes of pericarditis, including infections, injury, radiation treatment, and chronic diseases.
- Pericardium, parietal
The tough, thickened outer layer of the pericardium. The parietal pericardium loosely cloaks the heart and is attached to the central part of the diaphragm and the back of the breastbone.
- Pericardium, visceral
The double inner layer of the pericardium. One layer of the visceral pericardium closely adheres to the heart, and the other lines the inner surface of the outer (parietal) pericardium. The intervening space is filled with pericardial fluid. Also known as epicardium.