Abstract
If respiratory distress develops in the newborn after he or she has been normal for more than a few hours, bacterial sepsis, inborn errors of metabolism, cardiac disorders, and intracranial hemorrhage should be suspected. It is virtually impossible to determine whether an infant with mild respiratory distress in the first few hours of life will have rapid resolution of disease or progress to severe respiratory distress. That is, it is difficult to differentiate among transient tachypnea of the newborn, sepsis, and pulmonary hypertension in the infant with mild respiratory distress in the first few hours of life. Transient tachypnea is a diagnosis that can only be made with certainty after the infant's respiratory distress has resolved. The newborn infant with mild respiratory distress of more than a few hours' duration requires a minimum number of laboratory tests including chest roentgenogram, hematocrit or hemoglobin, blood glucose determination, direct or indirect measurement of arterial blood gases, and blood cultures. The liberal use of oxygen in the near-term, term, or post-term vigorous but cyanotic infant in the delivery room may decrease the incidence and/or severity of respiratory distress due to pulmonary hypertension. A newborn infant with respiratory distress for more than a few hours should be considered a candidate for infection.
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