Normal arterial oxygen is approximately 75 to 100 millimeters of mercury (mm Hg). Values under 60 mm Hg usually indicate the need for supplemental oxygen. Normal pulse oximeter readings usually range from 95 to 100 percent. Values under 90 percent are considered low. Theodore AC.Where to buy pulse oximeter?
Some pulse oximeter brands are available at your local pharmacy i.e. Guardian, Watsons or AA Pharmacy or you can buy online from Lazada below. Best Pulse Oximeters in Malaysia 1. Zacurate Pro Series 500DL Fingertip Pulse Oximeter — Best overall brand