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Meconium aspiration syndrome

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Respiratory system

Pathology

Upper respiratory tract disorders
Lower respiratory tract disorders
Pleura and pleural space disorders
Pulmonary vascular disorders
Apnea and hypoventilation
Respiratory system pathology review

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Meconium aspiration syndrome

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Meconium aspiration syndrome

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Summary

Meconium aspiration syndrome (MAS) is a life-threatening condition in which fetuses and newborns aspirate amniotic fluids that contain their meconium (first stool of a newborn). It can take place before, or during delivery, and is characterized by respiratory distress, grunting, tachypnea (abnormally rapid heartbeat), and cyanosis (skin bluish discoloration). This is usually accompanied by a baby that's born covered with meconium on the skin. Babies who have Meconium aspiration syndrome are treated in the neonatal intensive care unit (NICU).