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Bronchiolitis accounts for a significant number of hospital admissions during infancy. Its main clinical features are difficulty breathing, wheezing, coryza, poor feeding, cough, and crepitations with auscultation. Investigators in the U.K. retrospectively reviewed clinical records of 449 infants (age, <12 months; mean age, 23 weeks; 66% male) who presented with symptoms of acute bronchiolitis to an emergency department during a 12-month period in 2009–2010. A total of 163 infants (36%) were admitted to the hospital, and 29 potential predictors of admission were examined.
The best predictors of admission were age at presentation, respiratory rate, heart rate, oxygen saturation, and duration of symptoms. The investigators developed a clinical…