Pleuritis
Infection of the pleural space
Community acquired pneumonia
If symptoms appear within 48 hours of admission
Nosocomial pneumonia
If symptoms appear after 48 hours of admission
Pleural effusion
Accumulation of excess fluid in the pleural cavity
Lung abscess
A local area of necrosis and pus formation within the lung
Empyema
Accumulation of purulent exudate in the pleural cavity
Thoracentesis
Insertion of a needle into the pleural space to remove fluid accumulation