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Accuracy of pulse oximetry in screening for congenital heart disease in asymptomatic newborns: a systematic review
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    Pulse Oximetry – not a sensitive screening tool for CHD

    Dear Editor,

    Thangaratinam et al(1) should be complimented on the well conducted systematic review on the accuracy of pulse oximetry in screening for congenital heart disease (CHD) in asymptomatic neonates. It needs to be stressed that more than 60% of CHD is actually non-cyanotic and pulse oximetry would offer little if any assistance in their detection. Clinical detection of cyanosis is highly clinician dependent...

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    Conflict of Interest:
    None declared.