Pulse oximeters are portable medical devices that can be used to monitor oxygen saturation levels in a person's blood. These devices have become increasingly popular in recent years, especially since the COVID-19 pandemic. In this article, we will cover everything you need to know about pulse oximeters, including how they work, their benefits, and how to use them.

Pulse oximeters are portable medical devices that can be used to monitor oxygen saturation levels in a person's blood. These devices have become increasingly popular in recent years, especially since the COVID-19 pandemic. In this article, we will cover everything you need to know about pulse oximeters, including how they work, their benefits, and how to use them.