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- retained fetal lung fluid / wet-lung syndrome
- normally fluid cleared from lungs at or immediately after birth by pulmonary lymphatics and capillaries
- normal clearance delayed in this condition
- seen post caesarean section, hypoproteinemia, hyponatremia, maternal fluid overload
- seen in small hypotonic sedated infants with precipitous delivery
- mild to moderate respiratory distress without cyanosis in first few hours
- complete resolution in 48 hours
- supportive oxygen and maintain body temperature
imaging
- mild over inflation
- prominent blood vessels
- perihilar interstitial shadowing
- fluid in transverse fissure
- occasional small pleural effusion
- mild cardiomegaly
- asymmetrical with right side predominance
- when severe mimics meconium aspiration syndrome and congenital neonatal pneumonia
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