asphyxia, meconium aspiration syndrome, RDS, sepsis, pneumonia, structural abnormalities (e.g. diaphragmatic hernia, pulmonary hypoplasia)
(★)chest x-ray is often normal, and ★preductal oxygen saturation is typically higher than postductal saturation
★normal femoral pulses ⇔coarctation →diminished femoral pulses and often lower extremity pallor
●肺高血圧により動脈管や卵円孔を介する右→左シャントが生じ，低酸素血症・肺高血圧がさらに悪化するという悪循環に陥る．
●診断は先天性心疾患の除外のため，心エコーが必須となる．
●高濃度O2による人工換気，アシドーシス補正，NO吸入，血管拡張薬投与．
pediatrics
neonatology
UWorld step2CK
Optimized studying based on the forgetting curve vastly improves memorization. - What is reminDO?
Memorize
