Hepatic pleural effusion

Normal people have 3 to 15ml of fluid in the thoracic cavity, which acts as a lubricant during breathing exercises, but the amount of fluid in the pleural cavity is not constant. Even a normal person, 500-1000ml of liquid is formed and absorbed every 24 hours. The body in the pleural cavity is reabsorbed from the venous end of the capillaries, and the rest of the fluid is recovered to the blood by the lymphatic system. Filtration and absorption are in a dynamic balance. If this kind of dynamic balance is destroyed due to systemic or local lesions, the pleural fluid is formed too quickly or absorbed slowly, and pleural effusion (pleural effusion) is clinically produced.

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