Community Acquired Pneumonia Flashcards
Community Acquired Pneumonia:
Causative organisms (6)
Streptococcus pneumoniae, viruses, Mycoplasma pneumoniae, Legionella pneumophila, Histoplasma capsulatum, Pneumocystis jiroveci
Community Acquired Pneumonia: S. pneumoniae
MoT (2)
droplet, endogenous
Community Acquired Pneumonia: S. pneumoniae
Virulence factor
capsule
Community Acquired Pneumonia: S. pneumoniae
Culture/ Dx (2)
gram stain, alpha-hemolytic
Community Acquired Pneumonia: S. pneumoniae
Prevention
PCV-13 vaccine
Community Acquired Pneumonia: S. pneumoniae
Epidemiological features
40% of CAP cases
Community Acquired Pneumonia: viruses
Epidemiological features
30% of CAP cases
Community Acquired Pneumonia: M. pneumoniae
MoT
droplet
Community Acquired Pneumonia: M. pneumoniae
Virulence factor
adhesions
Community Acquired Pneumonia: M. pneumoniae
Culture/ Dx (3)
rule out other etiologic agents, serology, PCR
Community Acquired Pneumonia: M. pneumoniae
Treatment
Erythromycin
Community Acquired Pneumonia: M. pneumoniae
Epidemiological features
20% of CAP cases
Community Acquired Pneumonia: M. pneumoniae
Symptoms
do not resemble those of other pneumonias, “walking pneumonia”
Community Acquired Pneumonia: Legionella
MoT
vehicle (water droplets)
Community Acquired Pneumonia: Legionella
Culture/ Dx (2)
urine antigen test, culture on selective charcoal yeast extract agar
Community Acquired Pneumonia: H. capsulatum
MoT
vehicle (inhalation of spores from soil)
Community Acquired Pneumonia: H. capsulatum
Virulence factor
survival in phagocytes
Community Acquired Pneumonia: H. capsulatum
Culture/ Dx (2)
rapid antigen tests, microscopy
Community Acquired Pneumonia: H. capsulatum
Prevention
avoid soil contaminated with bird and bat droppings
Community Acquired Pneumonia: P. jiroveci
MoT
vehicle (inhalation of fungal spores)
Community Acquired Pneumonia: P. jiroveci
Culture/ Dx
microscopy
Community Acquired Pneumonia: P. jiroveci
Prevention
antibiotics for AIDS patients
Community Acquired Pneumonia:
Symptoms
runny nose, congestion, headache, fever, chest pain, cough, production of discolored sputum, pale and sickly