Eliminating Monitor Overuse Trial (EMO Trial)

Population a: Bronchiolitis patients directly observed while not receiving supplemental oxygen ("in room air," for primary trial outcome) Inclusion Criteria: * Infants and children 2 months through 23 months old * Hospitalized on non-ICU wards participating in the trial * Cared for by generalist inpatient services (e.g. general pediatrics, hospital medicine) * Primary diagnosis of bronchiolitis in most recent physician progress note * Not actively receiving supplemental oxygen ("in room air") * Last documented receipt of supplemental oxygen \>1 hour prior to direct observational data collection Exclusion Criteria: * Documented apnea or cyanosis during the current illness * Extreme prematurity (\<28 weeks completed gestation) * Cardiac disease * Pulmonary hypertension * Chronic lung disease * Home oxygen requirement * Neuromuscular disease * Immunodeficiency * Cancer * Severe Acute Respiratory Syndrome Coronavirus 2 (Covid-19 / SARS-CoV-2)-related illness (known or suspected, including multisystem inflammatory syndrome in children multi-system inflammatory syndrome in children (MIS-C) Population b: Bronchiolitis patients directly observed while receiving supplemental oxygen (for underuse evaluation). Inclusion Criteria: * Infants and children 2 months through 23 months old * Hospitalized on non-ICU wards participating in the trial * Cared for by generalist inpatient services (e.g. general pediatrics, hospital medicine) * Primary diagnosis of bronchiolitis in most recent…