Good thing, because he spent almost 2 weeks in the Congrats Rachel Highland High School Senior 2020 Quarantine Shirt hospital on oxygen, with fluid in both lungs and a positive COVID diagnosis. Well, people with respiratory problems like COVID-19 have difficulty breathing, and that causes a lower amount of oxygen, which means your body isn't using the oxygen it is taking in well. That's what pulse oximetry means. That is not going to ever be your pressure cuff for their doctor call-ins.CNN, if your main drive is to educate and inform I hope am
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