Pulse oximeters have been flying off the shelves during the COVID-19 pandemic. We decode how they work
Pulse oximeters have been flying off the shelves during the COVID-19 pandemic. We decode how they work Back when TikTok reigned strong in India, there were hundreds of videos of people showing that wearing a mask did not inhibit oxygen saturation. One user Emily Lyoness, who has moderate persistent asthma, recorded herself wearing a spectrum of masks — from a reusable fabric mask to a P100 mask
