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'I don't know what prime minister meant': Israel's virus czar shoots down Netanyahu's suggestion country is through pandemic

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metro
£20 pulse oximeter gadget could save lives from Covid-19

£20 pulse oximeter gadget could save lives from Covid-19

metro - 1 month ago
A person holds their finger in a pulse oximeter as it takes a reading for their pulse and oxygen levels (Photo by Huw Fairclough/Getty Images)
A person holds their finger in a pulse oximeter as it takes a reading for their pulse and oxygen levels (Photo by Huw Fairclough/Getty Images)

As the NHS is stretched to breaking point by the onslaught of Covid-19, the availability of health and fitness gadgets could provide some respite.

Previous reports have explained heart-rate tracking Fitbit bands could provide early warning signs of the coronavirus.

Alongside that is a gadget called a pulse oximeter that clips to your finger and measures the percentage of oxygen in your blood.

Medical staff have noticed that one of the mysteries of Covid-19 is that oxygen levels in the blood can drop to dangerous levels without the patient even noticing. As such, when they arrive at hospital, they are in a far worse condition than they realise.

Pulse oximieters cost around £20 and allow people to measure their own blood oxygen at home.

A normal oxygen level in the blood is between 95% and 100%. If it dips below 95%, anyone should seek medical attention.

‘With Covid, we were admitting patients with oxygen levels in the 70s or low-or-middle 80s,’ said Dr Matt Inada-Kim, a consultant in acute medicine at Hampshire Hospitals.

VOLGOGRAD, RUSSIA - NOVEMBER 27, 2020: A fingertip pulse oximeter on a patient at clinical hospital No 5 treating COVID-19 patients. Dmitry Rogulin/TASS (Photo by Dmitry Rogulin\\TASS via Getty Images)
Hospitals are seeing patients come in without realising they had dangerously low blood oxygen levels (Photo by Dmitry Rogulin/TASS via Getty Images)

He told BBC Radio 4’s Inside Health: ‘It was a really curious and scary presentation and really made us rethink what we were doing.’

How to check your oxygen levels at home

Sick little boy with pulse oximeter on his finger.
People should measure their blood oxygen levels three times per day (Credits: Getty Images/iStockphoto)

A pulse oximeter is a very simple gadget to use. It clips onto the end of your finger and will provide a reading on your blood oxygen levels.

It does this by shining a light through your finger and then measures how much of that light is absorbed. From this, it can calculate oxygen levels in the blood.

Ideally, you should measure and record your oxygen levels three times per day.

If your oxygen levels drop to 93% or 94%, then you should speak to a GP or call 111 without delay. If they go below 92%, people should go to A&E or call 999 for an ambulance.

Many other wearable gadgets are also capable of measuring blood oxygen levels, such as the Apple Watch Series 6 and the Fitbit Sense.

MORE : A simple Fitbit could detect Covid-19 days before symptoms appear

MORE : Fitbit Sense review: the smartwatch tackling your stress levels

sauce: metro
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