I started testing this pulse oximeter and will come back with the findings next week. The oxygen levels in the blood of COVID-19 patients can drop to dangerously low levels without them noticing, also known as "silent hypoxia". As a result, patients have been arriving in hospital in far worse health than they realised and, in some cases, too late for effective treatment. A pulse oximeter allows patients to monitor their oxygen levels at home, and costs about £20. #pulseoximeter #themedicalfuturist #digitalhealth #future #healthcare #medicine #technology #COVID19 #COVID_19 #coronavirus …see more