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Flashcards in Pneumonia Deck (14)
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1
Q

What are top TYPICAL causes of CA-pneumonia?

A

Strep pneumo
H influenza
Moraxella cattarhalis
Staph aureus

2
Q

What are top ATYPICAL causes of CA-pneumonia?

A

Mycoplasma pneumonia
Leigonella pneumonia
Chlamydial pneumonia

3
Q

What organisms (typical or atypical) are more common in outpatient pneumonia?

A

Strep pneumo
H influenza
Mycoplasma pneumonia
Chlamydial pneumonia

4
Q

What organisms (typical or atypical) are more common in severe inpatient pneumonia (hospitalized)?

A

Staph aureus

Legionella pneumoniae

5
Q

What is the treatment for CA-pneumonia outpatient who was previously healthy with no recent use of antimicrobials?

A

Macrolide

Doxycycline as alternative

6
Q

What is the treatment for CA-pneumonia outpatient who has comorbidities/recent use of antimicrobials?

A
Respiratory fluoroquinolone (cipro)
OR
Beta lactam (amoxicillin) + macrolide
7
Q

What is the treatment for pneumonia hospitalized inpatient?

A

Respiratory fluoroquinolone
OR
Beta lactam (ceftriaxone) + macrolide

8
Q

Overall, what categories of antimicrobials can be used to cover both typical and atypical causes of CA-pneumonia?

A

Fluoroquinolone
Macrolide
Tetracycline

9
Q

What agents usually cause aspiration pneumonia?

A

Oropharyngeal anaerobes and aerobes (Strep viridans)

10
Q

What is treatment for aspiration pneumonia?

A

Want to cover anaerobes and Strep

  • Clindamycin (beware C. diff)
  • Amox/Clav
  • Amox + metronidazole
11
Q

What are common causes of ventilator pneumonia?

A

In hospital, so think Strep pneumo, MRSA, Pseudomonas, Acinetobacter, Klebsiella

12
Q

What is treatment for ventilator pneumonia?

A

Want to cover Pseudomonas and MRSA, so use Pip/Tazo + Vancomycin

13
Q

HIV positive patient presents with diffuse bilateral infiltrates, crackles, cysts on CT. Indicates what?

A

Pneumocystis pneumonia

Usually see in people with low CD4 count <200

14
Q

What is treatment for Pneumocystis pneumonia?

A

TMP/SMX