Pleural Effusion
Pleural Effusion is a collection of fluid in the pleural cavity or cavity between the parietal pleura and visceral pleura, can be fluid transudates or exudates. Pathophysiology and Etiology - Transudates: An extracellular fluid that collects in the pleural lavum passively. With a specific gravity of the liquid is less than 1.015; protein in the fluid of less than 2-3 g / dl. Can occur as part of a general or edema in left heart failure. Generally the cause is: an increase in pulmonary venous pressure, hypoalbuminaemia and mediastinitis fibrosis or miksedema. - Exudate: Fluid in the pleural cavity caused by infectious diseases or neoplasms, generally protein levels> 3 g / dl, yellow or orange, with or without cells or bacteria. Generally it can be caused by inflammation, neoplasm, and abnormal lymph drainage. Clinical Symptoms Shortness of breath is the main symptom, sometimes accompanied by feelings of discomfort in the chest. When pleural fluid is low, can not be detected by clin...