A 29 week preterm infant showed grunting, cyanosis and retraction since 4 hours after birth. His respiratory difficulty didn’t improve even after oxygen inhalation by nasal cannula. Which is the most possible diagnosis:
A、aspiration pneumonia;
B、neonatal white lung;
C、neonatal hyaline membrane disease;
D、primary atelectasis
发布时间：2025-08-22 02:15:06
