Streptococcus pneumoniae, Haemophilus influenzae, and Moraxella catarrhalis are __________ causes of CAP
Typical
Meaning of CAP
Community acquired pneumonia
Mycoplasma pneumoniae, Chlamydia pneumoniae, and Legionella spp. are __________ causes of CAP
Atypical
Influenza, SARS-CoV-2, and RSV are __________ causes of CAP
Viral
A CURB-65 score of 0-1 is __________; outpatient
Mild
A CURB-65 score of 2 is _________; consider admission
Moderate
A CURB-65 score of ≥3 is __________; hospital (possibly ICU)
Severe
GP/Outpatient (CAP severity)
Mild
Hospital (CAP severity)
Moderate
Hospital; possibly ICU (CAP severity)
Severe
Amoxicillin; alternative is doxycycline monotherapy (CAP severity)
Mild
Benzylpenicillin IV + doxycycline or azithromycin (CAP severity)
Moderate
Ceftriaxone IV + azithromycin or moxifloxacin IV (if Legionella is suspected) (CAP severity)
Severe
If influenza or COVID-19 is suspected, add __________ or antiviral per national COVID guidelines (Pharmacotherapy for CAP)
Oseltamivir
For __________, use cefuroxime or ceftriaxone (Pharmacotherapy for CAP)
Penicillin allergy (non-severe)
For __________, use moxifloxacin (covers atypicals and S. pneumoniae) (Pharmacotherapy for CAP)
Penicillin allergy (severe)
For ____________ (e.g., travel, outbreak), add azithromycin or use moxifloxacin (Pharmacotherapy for CAP)
Legionella risk
Meaning of HAP
Hospital acquired pneumonia
S. pneumoniae, H. influenzae, MSSA, and enteric GNB (gram negative bacilli) are causes of __________ (<5 days) HAP
Early onset
Pseudomonas aeruginosa, MRSA, and ESBL-producers are causes of __________ (≥5 days) HAP
Late onset
Amoxicillin-clavulanate IV or ceftriaxone IV (HAP severity)
No MDR risk
Piperacillin-tazobactam IV or cefepime IV or meropenem (ESBL suspected) (HAP severity)
With MDR risk
Add vancomycin IV or linezolid (HAP severity)
MRSA suspected
Often causes UTIs and can be involved in HAP, especially in immunocompromised (HAP organisms)
Escherichia coli (E. coli)