List of Chapters

Pathophysiology of Hospital Acquired Pneumonia

Author(s) : Priyam Batra*; Purva Mathur

Pneumonia is an infection of the pulmonary parenchyma resulting from the invasion and overgrowth of microorganisms in the lung parenchyma, break down of host defenses leading to intra-alveolar exudates. Microorganisms gain access to the lower respiratory tract in several ways. The most common being aspiration from the oropharynx [1].