pneumonia for C-1.pptx

PNEUMONIA,
DEFINITION
Pneumonia is an infection of the pulmonary parenchyma.
To the pathologist, pneumonia is an infection of the alveoli ,distal airways, and interstitium of the lung that is manifested by increased weight of the lungs, replacement of normal lung’s sponginess by consolidation ,an...

PNEUMONIA,
DEFINITION
Pneumonia is an infection of the pulmonary parenchyma.
To the pathologist, pneumonia is an infection of the alveoli ,distal airways, and interstitium of the lung that is manifested by increased weight of the lungs, replacement of normal lung’s sponginess by consolidation ,and alveoli filled with white blood cells ,red blood cells and fibrin .To the clinician, pneumonia is a constellation of symptoms and signs in combination with at least one opacity on CXR.
Epidemiology
Between 5 and 10 million cases of infectious pneumonia occur annually in the United States and result in more than 1 million hospitalizations.
Pneumonia is a leading cause of death worldwide, the sixth leading cause of death in the United States, and the most common lethal infectious disease.