Incidence of ultrasonographic signs of pneumothorax in asymptomatic neonates.

Introduction: Pneumothorax in neonates can be life-threatening. In neonates without respiratory distress, spontaneous pneumothorax can also develop under certain conditions.

Objectives: To determine the incidence of ultrasonographic signs of pneumothorax in asymptomatic neonates using lung ultrasound as the diagnostic tool.