As a pediatric nurse, what method would be most useful in detecting suboptimal oxygenation in a child that has not reached the threshold for cyanosis?

Question

Quizplus · Accepted Answer

Pulse oximetry is a non-invasive method that measures the oxygen saturation level of the blood, which is useful for detecting suboptimal oxygenation before clinical signs such as cyanosis become apparent.

As a Pediatric Nurse, What Method Would Be Most Useful