Pleural fluid analysis is the analysis of pleural fluid in the laboratory that occurs after a pleural tap, or thoracentesis. A thoracentesis is a procedure used to drain excess fluid from the space ...

How does fluid build up around the lungs? There are two sheets of tissue that protect the lungs. They are called pleural membranes (or pleura). In between the pleura is the pleural space. It's normal ...

The pleura is a two-layered membrane that covers the lung. Between the layers is a small amount of lubricating fluid, known as pleural fluid, which helps cushion the lung and reduce friction between ...

A pleural friction rub is a raspy breathing sound caused by inflammation of the tissues around your lungs. The sound is usually “grating” or “creaky.” It’s also been compared to the sound of walking ...