presents as lobar pnemonia
accompinied by fever, chest pain, and production of purulent sputum
Community aquired pneumonia
What are the 4 stages of lobar pneumonia
acute congestion: local capillaries are engorged w/ neutrophils
red hepatization: RBC from the capillaries flow into the aveolar spaces
grey hepatization: large number of dead neutrophils and degenerating RBC's
Resolution: adaptive immune response begins to produce antibodies
cause by chlamydia pneumoniae
responsible for 10% of pneumonia cases
infection occurs throughout the year
spread by person to person contact
more infections in the elderly
can cause community aquired and nosocomial infections
Chlamydial Pneumonia
Mycoplasma pneumonia
mild form
caused by mycoplsma pneumoniae
10% of pneumonias
known as walking pneumonia (no need hospitiliztion)
most common age for infection 5-15 (30% all teenage pnemonias)