[Signs of severity of acute bronchiolitis of the infant].

Signs of severity of acute bronchiolitis in the infant. About 3% of infants suffering from bronchiolitis will need hospitalization. Criteria to decide are mainly clinical: comorbidities (prematurity, cardiopulmonary pathology, age less than 6 weeks old), intensity of respiratory distress attested by polypnea, toxic aspect, inadequate oral food intake, need for O2 or and socio-familial criteria for confidence in looking for the child.