The pressure is computed assuming an International standard sea-level pressure datum of 1013.25 hPa, and therefore is not necessarily the same as the aircraft's true altitude either above mean sea level or above ground level.he pressure is computed assuming an International standard sea-level pressure datum of 1013.25 hPa, and therefore is not necessarily the same as the aircraft's true altitude either above mean sea level or above ground level.
The term pleurisy (pleuritis) is inflammation or infection in the pleural space around the lungs. Pyothorax also known as empyema of the pleural cavity is the presence of pus in the pleural cavity between the layers of the pleural membrane Py/o-Pus.
The pleural cavity - the area between the lungs and inner chest wall - sits between two lubricated surfaces, called pleura. The inner pleura lines the lungs and the outer lines the chest wall. A variety of factors can cause the pleura to become inflamed, this is called pleurisy. In this article, we will cover the causes, treatment, and diagnosis of pleurisy. Fast facts on pleurisy.