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Screening newborns for congenital heart defects: The protocol1
| Pulse oximetry outcome* | Physical exam outcome | Next step |
| Normal | Normal | No further action |
| Abnormal | Normal | Repeat pulse oximetry in 2 h:
|
| Abnormal | Abnormal | echocardiogram |
*Test is normal if pulse oximetry >95% on right hand and difference between the right hand and either foot is <2%.
