Infants with MAS may develop both air-trapping (hyperinflation) and atelectasis.

Question

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Infants with meconium aspiration syndrome (MAS) can develop both air-trapping (hyperinflation) and atelectasis due to the presence of meconium in their lungs. Air-trapping can occur because meconium obstruction can cause narrowing of the airways, making it difficult for air to escape. Meanwhile, atelectasis can occur because meconium can plug up smaller airways, leading to collapse of the surrounding lung tissue.

Infants with MAS May Develop Both Air-Trapping (Hyperinflation) and Atelectasis