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Pneumonia, Bacterial

Jocelyn C. Young, DO, MS and Mohammad Humza Qureshi, MD Reviewed 06/2020
 


BASICS

Bacterial pneumonia is an infection of the pulmonary parenchyma by a bacterial organism. 

DESCRIPTION

Bacterial pneumonia can be classified as the following: 
  • Community-acquired pneumonia (CAP): a...

DIAGNOSIS

HISTORY

  • Fever, chills, rigors, malaise, fatigue

  • Dyspnea

  • Cough, with/without sputum

  • Pleuritic chest pain

  • Myalgias

  • GI symptoms

  • Pediatric patients: lethargy, hypotonia, poor feeding, dry mucus membran...

TREATMENT

MEDICATION

First Line

  • Adults

    • CAP, outpatient

      • No significant differences in efficacy between antibiotic options for adults

      • Previously healthy, no antibiotics in past 3 months

        • Macrolide: Azithromyci...

ONGOING CARE

PATIENT EDUCATION

Smoking cessation, vaccinations 

COMPLICATIONS

Necrotizing pneumonia, respiratory failure, empyema, abscesses, cavitation, bronchopleural fistula, sepsis 

REFERENCES

1
Jain S, Williams DJ, Arnold SR, et al; and CDC EPIC Study Team. Community-acquired pneumonia requiring hospitalization among U.S. children. N Engl J Med.  2015;372(9):835–845.
2
Stern A...

CODES

ICD10

  • J15.9 Unspecified bacterial pneumonia

  • J15.4 Pneumonia due to other streptococci

  • J14 Pneumonia due to Hemophilus influenzae

  • J15.20 Pneumonia due to staphylococcus, unspecified

  • J15.3 Pneumonia du...

CLINICAL PEARLS

  • Bacterial pneumonia can usually be treated empirically based on its classification as CAP or HCAP/HAP/VAP.

  • A severity of illness score is helpful in determining the need for hospitaliza...

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