The Food and Drug Administration approves the type of fingertip pulse oximeter used in hospitals and sold by prescription. The agency issued a safety communication about the flaws in early 2021.

iphone oximeter There are seemingly countless gadgets and apps to help monitor your health nowadays, but few can offer the kind of detail that Masimo’s iSpO2 pulse oximeter can.

Clipped over a fingertip, pulse oximeters determine a person’s blood-oxygen level by shining light through the skin and measuring its absorption by the blood.