A part of a line consisting of two points and all the points between them. Is a point at one end of a segment or the starting point of a ray, a dot on a line. Is a point of a line that starts at an endpoint and extends forever. Are two rays that have a common endpoint and form a line.
Pleurisy and other pleural disorders are treated with procedures, medicines, and other methods. The goals of treatment include: Relieving symptoms. Removing the fluid, air, or blood from the pleural space (if a large amount is present) Treating the underlying condition.
Viral infection is probably the most common cause of pleurisy. Other causes include the following: Lung infections, such as pneumonia and tuberculosis. Diseases such as systemic lupus erythematosus (lupus), rheumatoid arthritis, cancer, liver diseases and pulmonary embolism. Chest injuries. Drug reactions.