胎兒因為子宮內缺氧,如胎盤血管栓塞,胎兒過大,SLE,子宮內感染影響胎盤功能,引起胎兒交感神經興奮,也就是緊張到解便至羊水中,又因為缺氧引發air gasping反射動作,引起胎兒把胎便吸入造成chemical pneumonitis。
pathogenesis[]
- asphyxia
- check-valve effect
meconium[]
- 沒有味道,閃亮的墨綠色
- 10-16週可以在ileum看到
suctioning[]
影像[]
- course granularity
Nodular infiltration
Overinflation
Subcutaneous emphysema
Pneumomediastinum