Bronchiolitis vs Asthma

Is there any difference in lung sonographic findings between pure bronchiolitis and pure viral-triggered RAD?  My guess is no, meaning we should be using lung POCUS only to rule out pneumonia in wheezers.  Cohorts: -Bronchiolitis: RSV+ first time wheezers(but at HSC, this would mean inpatients and hence more severe)? first time wheezers without an atopic history? -RAD: older kids with clear RAD history and clear viral-triggered wheeze

Should this be rolled together with the diaphragm assessment pilot study?

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