The Guardian

Should you be checking your own oxygen levels if you have coronavirus symptoms? | Ann Robinson

Oximeters measure the oxygen in blood. As a GP I think they are useful, but there’s more to assessing how sick you areCoronavirus – latest updatesSee all our coronavirus coverage
‘The complications and consequences of this novel virus are still unfolding; the triage pathway doctors were advised to follow didn’t cover all the exceptions to the rule.’ Photograph: Sergei Bobylev/TASS

Covid-19 is proving to be a many-headed monster. And though most people will steadily improve and recover, a small percentage (up 4%) suffer a precipitous, unpredicted and sometimes delayed decline. Experts are warning that waiting for the “classic” symptoms – difficulty in breathing and high fever – may mean that some cases of and other complications may be missed. But how do you know whether you’re the one who will need hospitalisation? Will you end up in ICU? How do you know when you’re out of the woods? And are there any specific ways of assessing whether you’re getting

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