Which infants and children with bronchiolitis should be admited?

• Look ill ... a no brainer
  
• At risk for apnea - history of apnea witnessed by parent or clinician, < 1 month if full term, < 48 weeks postmenstrual age if born at < 37 weeks gestation
  
• At risk for quickly worsening disease - chronic pulmonary disease, hemodynamically significant congenital heart disease, immunodeficiency, neurologic disease

Source

Piedra, Pedro. "Clinical features and diagnosis of bronchiolitis in infants and children." Up to Date. Oct 2008.