A pleural effusion occurs when fluid accumulates between the layers of the lining of the chest cavity and lungs.

The human body produces small amounts of pleural fluid to lubricate the surface of the pleura, the thin membrane surrounding the lungs and lines the chest cavity. To an abnormal accumulation of this fluid is called a pleural effusion.

Two types of stroke in humans. Pleural effusion can be caused by radiating abnormal lung pressure or heart failure. Are often caused by lung disease, pleural effusion occurs when the inflamed pleura. Examples of pulmonary diseases are pneumonia, lung cancer, tuberculosis, asbestosis, drug reactions, and sarcoidosis.

The usual symptoms of a pleural effusion include:

- Shortness of breath
-Hust
-Chest pain
-Rapid breathing
-Hiccup

In some cases it may be no symptoms.

When typing a physical examination, the doctor will listen to your breathing with a stethoscope and may, on the chest to listen for the damping. Chest X-rays, ultrasound of the breast, can help pleural fluid analysis, thoracentesis or chest CT to confirm the diagnosis.

The nature and cause of the pleural effusion is usually taken by thoracentesis, in the sample from a fluid with a needle between the ribs determined.