![]() This means that hemorrhagic pericarditis may arise with both infectious and non-infectious causes but the concern is often about malignant conditions (cancer of the pleura, breast, bronchus or lymphoma). This indicates the presence of blood in the pericardial effusion and may be seen in the backdrop of fibrinous or purulent pericarditis. It is more often seen with bacterial infections. The invading pathogens may reach the heart through a number of routes including direct spread from neighboring sites (lungs, pleura), spread through the blood stream or lymphatic system, or direct infection seen with cardiothoracic surgery or penetrating injuries of the chest wall. This type of pericarditis is also known as suppurative pericarditis and arises as a result of an infection. It has a number of causes, including heart disease, injury to the heart, after cardiac surgery or due to autoimmune diseases. Fibrinous pericardiatis is usually not related to an infection although it may arise with chronic infections. The extent of adhesion formation may vary. This type of pericarditis leads to a drying of the pericardial cavity as fibrin in the serous fluid (serofibrinous) eventually becomes organized. The effusion is often straw-colored and contains protein. It may gradually progress to a serofibrinous exudate, or purulent or hemorrhagic effusions depending on the nature and duration of the cause. However, serous pericarditis may arise with irritation of the pericardium secondary to infection of surrounding structures like the pleura of the lungs (pleuritis). ![]() The serous fluid is sterile and is usually not associated with infection of the pericardium itself. Irritation of the pericardial lining gives rise to an accumulation of serous fluid in the pericardial cavity containing some inflammatory infiltrate like lymphocytes. Types of Pericarditis Serous Pericarditis It may contain a number of solid and fluid components that is reminiscent of the disease process or the causative factor. With inflammation, there is usually some additional fluid accumulation in the pericardial cavity and this is known as a pericardial effusion. The pericardium is a secretory lining, contributing to the approximately 30ml to 50ml of pericardial fluid between the two linings (pericardial cavity). ![]() It often co-exists with myocarditis, which is inflammation of the neighboring muscular layer of the heart known as the myocardium. Pericarditis may be acute or chronic in nature. A significant number of pericarditis cases are due to unknown causes (idiopathic). Pericarditis may arise as a result of an infection, autoimmune conditions, trauma, certain heart diseases, metabolic disorders, tumors or drugs. This protective sac has two layers, between which is a small amount of pericardial fluid that helps with lubrication. Pericarditis is the term for inflammation of the pericardium, the sac surrounding the heart and root of the great blood vessels. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |