People are buying pulse oximeters to try and detect coronavirus. Do you need one? No Comments Uncategorized Many patients with severe cases of Covid-19 have been shown to have extremely low levels of oxygen in the blood. Others who have tested positive find themselves experiencing shortness of breath. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to print (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on WhatsApp (Opens in new window)