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Pleural effusion involving fibrinous exudates in the fluid may be called fibrinous pleurisy, which sometimes occurs as a later stage of pleurisy. A person can develop a pleural effusion in the absence of pleurisy. For example, pneumonia, heart failure, cancer, or a pulmonary embolism can lead to a pleural effusion.
Image showing chest x-ray (CXR) consistent with cardiomegaly. The diagnosis of purulent pericarditis requires a combination of clinical assessment, laboratory tests, and imaging studies. Pericardiocentesis with evaluation of pericardial fluid by culture and microscopy is necessary to make the diagnosis, however several other findings may ...
Fibrinous pericarditis is an exudative inflammation.The pericardium is infiltrated by the fibrinous exudate. This consists of fibrin strands and leukocytes.Fibrin describes an amorphous, eosinophilic (pink) network.
The inset image is an enlarged cross-section of the pericardium that shows its two layers of tissue and the fluid between the layers. Figure B shows the heart with pericarditis. The inset image is an enlarged cross-section that shows the inflamed and thickened layers of the pericardium. [12]
The pleural cavity, or pleural space (or sometimes intrapleural space), is the potential space between the pleurae of the pleural sac that surrounds each lung.A small amount of serous pleural fluid is maintained in the pleural cavity to enable lubrication between the membranes, and also to create a pressure gradient.
Fibrinous exudate is composed mainly of fibrinogen and fibrin. It is characteristic of rheumatic carditis, but is seen in all severe injuries such as strep throat and bacterial pneumonia. Fibrinous inflammation is often difficult to resolve due to blood vessels growing into the exudate and filling space that was occupied by fibrin.
Pleuritis or pleurisy is a inflammatory condition of pleurae. Due to the somatic innervation of the parietal pleura, pleural irritations, especially if from acute causes, often produce a sharp chest pain that is worse by breathing, known as pleuritic pain. [citation needed]
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