Here is what no one tells you about Pulse Oximetry for Sleep - The Sleep and Respiratory Scholar
Pulse oximetry is the non-invasive measurement of a person’s oxygen saturation. The most common forms of SpO2 testing is with a sensor attached to the finger. It is important to understand that perfusion, skin pigmentation and nail polish and acrylic nails all will affect the acuity of pulse oximetry
Randy Clare