How a £20 gadget could save lives

A pulse oximeter slips over your middle finger and shines a light into the body. It measures how much of the light is absorbed in order to calculate oxygen levels in the blood.

In England, they are being given to people with Covid who are over 65, younger but have a health problem, or anyone doctors are concerned about. Similar schemes are being rolled out across the UK.

People measure and record their oxygen levels three times a day… More here.

Jo and I mentioned these in the latest podcast and it has helped us a lot recently. My stats are still low, but it’s nice to know that I can at least track them.

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