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PLEURAL EFFUSION Done by: Asem al Rumaih Suad al Musa Suhail kalantan Hatem al Hatem What is pleural effusion Definition: Is presence of fluid in the pleural space. Types: Transudate (hydrothorax) and Exudate Causes: Exudates: produced by a variety of inflammatory conditions. Exudates arise from pleural or lung inflammation, from impaired lymphatic drainage of the pleural space. Transudate: imbalance in hydrostatic. iatrogenic infusion into the pleural space(i.e. venous catheters or nasogastric feeding tubes). Common disease which cause pleural effusion. Transudate: 1. Congestive heart failure. 2. Cirrhosis (hepatic hydrothorax). 3. Atelectasis. Exudate: 1. pneumonia. 2. Malignancy (carcinoma, lymphoma, mesothelioma). 3. Pulmonary embolism. 4. Tuberculous. 5. Viral pleuritis. Pathology of Pleural Effusion: Go to page 505. Robbins Basic Pathology. 7th ED.
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