Pneumonia Flashcards
What are top TYPICAL causes of CA-pneumonia?
Strep pneumo
H influenza
Moraxella cattarhalis
Staph aureus
What are top ATYPICAL causes of CA-pneumonia?
Mycoplasma pneumonia
Leigonella pneumonia
Chlamydial pneumonia
What organisms (typical or atypical) are more common in outpatient pneumonia?
Strep pneumo
H influenza
Mycoplasma pneumonia
Chlamydial pneumonia
What organisms (typical or atypical) are more common in severe inpatient pneumonia (hospitalized)?
Staph aureus
Legionella pneumoniae
What is the treatment for CA-pneumonia outpatient who was previously healthy with no recent use of antimicrobials?
Macrolide
Doxycycline as alternative
What is the treatment for CA-pneumonia outpatient who has comorbidities/recent use of antimicrobials?
Respiratory fluoroquinolone (cipro) OR Beta lactam (amoxicillin) + macrolide
What is the treatment for pneumonia hospitalized inpatient?
Respiratory fluoroquinolone
OR
Beta lactam (ceftriaxone) + macrolide
Overall, what categories of antimicrobials can be used to cover both typical and atypical causes of CA-pneumonia?
Fluoroquinolone
Macrolide
Tetracycline
What agents usually cause aspiration pneumonia?
Oropharyngeal anaerobes and aerobes (Strep viridans)
What is treatment for aspiration pneumonia?
Want to cover anaerobes and Strep
- Clindamycin (beware C. diff)
- Amox/Clav
- Amox + metronidazole
What are common causes of ventilator pneumonia?
In hospital, so think Strep pneumo, MRSA, Pseudomonas, Acinetobacter, Klebsiella
What is treatment for ventilator pneumonia?
Want to cover Pseudomonas and MRSA, so use Pip/Tazo + Vancomycin
HIV positive patient presents with diffuse bilateral infiltrates, crackles, cysts on CT. Indicates what?
Pneumocystis pneumonia
Usually see in people with low CD4 count <200
What is treatment for Pneumocystis pneumonia?
TMP/SMX
