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Nov 7, 2024 · The pericardium is a double-walled sac that encloses and protects the heart. It consists of two main layers: the fibrous pericardium, which is the tough outer layer, and the serous pericardium, which is further divided into the parietal layer and the visceral layer (epicardium). The space between the parietal and visceral layers, known as the
- Anatomy
- Function
- Associated Conditions
- Tests
The pericardium is one of several serous membranous cavities in the human body; it is comprised of two closely connected structures, including: 1. The fibrous pericardium:A tough external layer comprised of fibrous connective tissue. 2. The serous pericardium:A thin layer that coats the internal surface of the fibrous pericardium. Between the fibro...
The pericardium has several very important roles pertaining to the heart, including: 1. Keeps the heart positioned in the mediastinum via its attachment to the sternum, the diaphragm, and the outer layer of the great vessels (called the tunica adventitia). 2. Prevents the heart from overfilling as the firm, fibrous layer of the pericardium is not a...
There are several common medical conditions associated with the pericardium, including: 1. Pericarditis: An inflammation of the pericardium that may be caused by an infection, trauma, a myocardial infarction (heart attack), or other causes (including idiopathic or unknown causes). Pericarditiscan be acute (sudden and severe) or chronic (long-term)....
Many tests are available that can help doctors diagnose conditions of the pericardium, including: 1. Pericardial fluid analysis: Sometimes the fluid of the pericardium is removed using a procedure called pericardiocentesis.The fluid is examined for signs of disease. The test is performed by aspirating fluid from the sac with a large needle. An ultr...
Mar 28, 2018 · The pericardium, the double-layered sac which surrounds and protects your heart and keeps it in your chest, has a number of important functions within your body. Learn more about its purpose ...
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The pericardium (pl.: pericardia), also called pericardial sac, is a double-walled sac containing the heart and the roots of the great vessels. [1] It has two layers, an outer layer made of strong inelastic connective tissue (fibrous pericardium), and an inner layer made of serous membrane (serous pericardium). [2][3] It encloses the ...
Nov 3, 2023 · Fibrous - outer layer of dense irregular connective tissue. Serous - inner layer of mesothelium, consists of two layers: - parietal (lays under the fibrous pericardium) - visceral (epicardium) (lays over the heart) Cavity. Pericardial cavity (between visceral and serous sheets) contains 15 - 50 mL of serous pericardial fluid.
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Your pericardium is a fluid-filled sac that surrounds your heart and the roots of the major blood vessels that extend from your heart. Conditions that affect your pericardium include pericarditis, pericardial effusion and constrictive pericarditis. Symptoms of pericardial problems include chest pain, shortness of breath and heart palpitations.
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Oct 20, 2024 · Figure 17.2.1 17.2. 1 shows the position of the heart within the thoracic cavity. Within the mediastinum, the heart is separated from the other mediastinal structures and is held in place by a tough wrapping known as the pericardium, or pericardial sac. The sac also limits the range of motion of the heart as it beats.
