Monitoring your oxygen level with a pulse oximeter if you have COVID-19 can help determine if it falls too low. Low levels may need medical attention. COVID-19 is a respiratory infection. It can cause ...

We've quizzed the experts on how to find out what blood oxygen is too low so that you can measure your levels yourself and monitor them accordingly When you purchase through links on our site, we may ...

Lindsay Modglin is a nurse and professional writer who regularly writes about complex medical topics, as well as travel and the great outdoors. She holds a professional certificate in scientific ...