Non-invasive monitoring of breathing is a holy grail in paediatric respiratory, neonatal and sleep medicine.

Respiratory rate is a key marker for the surveillance of sick infants and children, while repeated infant apnoeic episodes are associated with an increased risk of apparent life-threatening events. In clinical pulse oximetry, the photoplethysmographic (pleth) signal is assessed mainly to infer the validity of measured arterial oxygen saturation.

Author : David Wertheim
Source: Acta Paediatrica
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