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8 Cards in this Set
- Front
- Back
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What is bronchiolitis? |
Widespread inflammation of bronchioles due to infectious agents |
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Bronchiolitis Common organisms › Viral : |
RSV, influenzavirus (A, B, C) |
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Bronchiolitis Common organisms › Bacterial :
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H. influenzae, pneumococci, hemolytic streptococci, mycoplasma, chlamydia, Pneumocystis jiroveci |
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Bronchiolitis Pathogenesis: |
› Proliferation and necrosis of bronchiolar epithelium |
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Bronchiolitis Pathogenesis › Possible mechanisms of airway obstruction: |
Development of inflammatory exudate Goblet cell metaplasia |
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Bronchiolitis Clinical manifestations: |
› Severity and course range from mild-fatal › Wheezing r/t bronchospasm |
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Bronchiolitis Diagnosis: |
› Elevated WBC › Chest x-ray Enlarged air sacs, interstitial infiltrates, atelectasis, severe hyperinflation › PFT (pulmonary function tests) Severe obstruction to airflow › Nasal swab |
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Bronchiolitis Treatment: |
› Adequate oxygenation |
