Diaphragms - right and left equal. Usually seen at level of 9-10 ribs. Distressed Infants Congenital lobar emphysema Condition of progressive over-distention of a lobe producing atelectasis of adjacent lobes and a mediastinal shift. Also may be water dense or fluid filled early. Usually a surgical emergency.
Differential diagnoses includes adenomatoid malformation, bronchogenic cyst, hygroma.
Chylothorax Cause of large pleural effusion in newborn, thought to be associated with birth trauma. Treat with thoracentesis. Meconium aspiration Usually occurs with fetal distress. Infants are meconium stained at birth. Usually a chemical pneumonia due to swallowing amniotic fluid mixed with meconium.