Which clinical history findings are characteristic of pneumococcal infection- related acute exacerbations of chronic bronchitis (AECB)?

Updated: Aug 27, 2018
  • Author: Claudia Antonieta Nieves Prado, MD; Chief Editor: John L Brusch, MD, FACP  more...
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Answer

Acute exacerbations of chronic bronchitis manifest as a change from baseline chronic symptoms. Symptoms include shortness of breath, increased production and/or purulence of sputum, increased sputum tenacity, and cough.

An estimated 80% of cases of acute exacerbations of chronic bronchitis are caused by infection, with about one half of those caused by aerobic bacteria, of which S pneumoniae is the most commonly isolated organism.

Symptoms such as sore throat, rhinorrhea, nasal congestion, and dyspnea may indicate a viral cause. [46]


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