Transient tachypnea of the newborn (TTN) is a common form of respiratory distress in neonates.
TTN may involve a variety of conditions ranging from:
(1) failure to resorb intra-alveolar amniotic fluid
(2) transient left ventricular dysfunction
(3) surfactant deficiency
(4) pulmonary insufficiency
(1) respiratory distress after delivery, often presenting with a low 1 minute Apgar score
(3) need for respiratory support
(4) resolution in 2-3 days
(5) variable elevation of natriuretic peptides
(6) exclusion of other causes of respirator distress
The “double lung point” can be seen on lung ultrasonography.
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