Generally begins as an upper respiratory infection with rhinorrhea but spreads to lower respiratory tract within 2 to 3 days
Often multiple sick contacts in household
Variable timing of...
There is substantial variation in the use of diagnostic testing, hospitalization, and treatments, but bronchiolitis is a self-limited condition that generally improves withou...
Most infants with no underlying disease improve within 1 week.
A fraction of infants (~20%) will have symptoms for 3 weeks or more.
Clinical cours...
Brooks CG, Harrison WN, Ralston SL. Association between hypertonic saline and hospital length of stay in acute viral bronchiolitis: a reanalysis of 2 meta-analyses. JAMA Pediatr. &#...
466.11 Acute bronchiolitis due to respiratory syncytial virus (RSV)
466.19 Acute bronchiolitis due to other infectious organisms
J21.9 Acute bronchiolitis, unspecified
J21.0 Acute bronchio...
Q: How did my child get bronchiolitis?
A: Viral bronchiolitis is a common, seasonal, respiratory tract infection that is easily transmissible. It is acquired in much the same way as the common cold...
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Bronchiolitis due to adenovirus. The wall of this bronchiole shows an intense chronic inflammatory infiltrate, with local extension into the surrounding peribronchial tissue.
Bronchiolitis due to adenovirus. The wall of this bronchiole shows an intense chronic inflammatory infiltrate, with local extension into t...
Small airway with epithelial inflammation, exudative infiltrate, and multinucleated syncytial giant cells in the surrounding lung parenchyma.
Small airway with epithelial inflammation, exudative infiltrate, and multinucleated syncytial giant cells in the surrounding lung parenchy...
Multiple syncytial giant cells associated with exudative inflammation.
Syncytial cell containing many basophilic nuclei and multiple eosinophilic globular homogenous cytoplasmic inclusions; there are no intranuclear inclusions.
Syncytial cell containing many basophilic nuclei and multiple eosinophilic globular homogenous cytoplasmic inclusions; there are no intran...