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Acute Bronchitis

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Acute Bronchitis & URI Tintinalli Chapter 67 Epidemiology Acute bronchitis Inflammation of large airways URI with cough, occasionally with phlegm, not caused by ... – PowerPoint PPT presentation

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Title: Acute Bronchitis


1
Acute Bronchitis URI
  • Tintinalli Chapter 67

2
Epidemiology
  • Acute bronchitis
  • Inflammation of large airways
  • URI with cough, occasionally with phlegm, not
    caused by pneumonia or chronic bronchitis
  • Lasts 1-3 weeks
  • 5 of adults annually, peaks in winter months
  • 9th most common outpatient dx

3
Pathophysiology
  • Viruses influenza A and B, parainfluenza, RSV,
    corona, adeno, rhino
  • Bacteria pertussis, mycoplasma, chlamydia
    pneumonia, and legionella

4
Clinical features
  • Cough commonly productive
  • 1st few days, URI indistinguishable from acute
    bronchitis
  • Fever, tachycardia, tachypnea, focal chest pain
  • Strongest negative independent predictor is nausea

5
Diagnosis
  • Acute cough
  • No prior lung disease
  • No auscultatory findings suggesting pneumonia
  • If dyspnea, can do pulse ox
  • If wheezing, can do bedside spirometry

6
Treatment
  • Antibiotics have shown no significant
    improvement, unless pertussis is a consideration
  • Inhaled bronchodilators if wheezing
  • Antitussives
  • /- Mucolytics

7
Sources
  • Tintinalli, Ch. 67
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