As the second COVID-19 wave spreads across the country, many Canadians are either locked-down or in self imposed quarantines. The consequence is significantly fewer medical appointments and trips to emergency.
A Finger Tip Pulse Oximeter like the one sold on the BIOS Medical website measures blood oxygen saturation or SpO2. The device uses two frequencies of light (red and infrared) to determine the % of hemoglobin in the blood.