Pleural effusion

An excess of fluid formed in the pleural sac.


Any abnormal collection of fluid in the pleural cavity.


An abnormal collection of fluid in the pleural space, the space between the two membrane layers (pleural membranes) that cover the lungs and line the chest cavity. When fluids accumulate in the pleural space, lung volume is reduced. Congestive heart failure, cirrhosis, and pneumonia are among the most common causes of fluid collection in the pleural space. Some cancers, such as those of the lung or breast, can spread to the pleural membrane and cause pleural effusion. The fluid buildup can also result from injury.


A collection of fluid between the two membrane layers, called the pleural membranes, that cover the lungs and line the chest cavity. Normally, there is a small amount of lubricating fluid between the two thin, flexible membranes. When blood or other fluids accumulate in the pleural space, the space between the two membranes, lung volume is reduced. The effusion may be caused by any of several conditions. In some cases, despite numerous tests, the cause of pleural effusion is not determined.


Fluid in the thoracic cavity between the visceral and parietal pleura. It may be seen on a chest radiograph if it exceeds 300 ml.


An anomalous buildup of fluid within the pleura, a fibrous membrane that lines the interior of the chest cavity and safeguards the lungs, can lead to symptoms such as breathlessness, coughing, and chest discomfort.


The buildup of fluid between the pleura layers (the membranes surrounding the lungs and chest cavity) characterizes pleural effusion. This condition can arise from lung infections like pneumonia or tuberculosis, along with other lung-related issues like pulmonary embolism or pleural mesothelioma (a pleura tumor). Additionally, heart failure or cancer might trigger pleural effusion. It can impact either one or both sides of the chest. The surplus fluid exerts pressure on the underlying lung, progressively impeding breathing.


Confirmation of the diagnosis is achieved through a chest X-ray. Extracting a portion of the fluid using a needle and syringe for examination aids in identifying the underlying cause of the condition. Occasionally, a biopsy (tissue sample) of the pleura might also be necessary. Treatment is directed at addressing the root cause, and fluid drainage may be performed to alleviate breathing difficulties.


 


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