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The pericardium is a double-walled sac that surrounds the heart, consisting of an outer fibrous layer and an inner serous layer. It is attached to the diaphragm at its base and to the great vessels of the heart, such as the aorta and pulmonary arteries, at its superior aspect. Additionally, it is anchored to surrounding structures, including the sternum and the mediastinum, providing stability to the heart within the thoracic cavity.
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What is the pericardial sac lined with?
The pericardial sac is lined with a double-layered membrane called the serous pericardium. The inner layer is the visceral pericardium (or epicardium) which is in contact with the heart, and the outer layer is the parietal pericardium which is attached to the surrounding structures.
What is the space between the parietal and visceral pericardial membrane?
Pericardial cavity
What is the potential space between the parietal and visceral pericardial membranes?
Pericardial cavity
Pericardial membrane encloses what within the pericardial cavity?
Encloses cardiac space.
What fluid reduces friction in the heart?
The pericardial fluid
When pericardiocentesis is performed to treat a cardiac tamponade or other significant fluid build-up what is the variation to the procedure?
A pericardial catheter may be attached to the needle to allow for continuous drainage.
What is the medical term meaning abnormal collection of fluid in the pericardial sac?
Pericardial effusion.
What is the difference between pericardial edema and pericardial effusion?
Pericardial edema is the swelling of the pericardial tissue due to excess fluid accumulation within the tissue itself. Pericardial effusion, on the other hand, is the collection of excess fluid within the pericardial sac surrounding the heart. Both conditions can lead to cardiac complications if left untreated.
What is normal pericardial fluid?
Normal pericardial fluid is clear to straw colored. During pathological examination normal pericardial fluid does not contain blood, cancer cells, or bacteria.
Space containing serous fluid to reduce friction during heartbeats?
pericardial cavity
What is the space between the epicardium and the parietal pericardium?
The space between the epicardium and the parietal pericardium is called the pericardial cavity. This cavity contains a small amount of pericardial fluid that acts as a lubricant to reduce friction between the membranes during heart contractions.
What secretes pericardial fluid?
Pericardial fluid is a fluid that is secreted by the serous membrane on the pericardious sac on the outside of the heart.
