Why Pulse Oximeter is IMPORTANT in helping to detect COVID-19 at home?

While COVID-19 virus attack human’s respiratory system, the oxygen impairment taken place will injure one’s lungs and result in inflammation and pneumonia. Although not all the patients diagnosed with COVID-19 would show low oxygen levels in their blood, the absence of consistent SpO2 level that above 90% to 92%would be one of the indicators that helps to increase the opportunities in discovering COVID-19 at an early stage for further medical evaluation.