Hospitals have been instructed to ration oxygen due to the pressure on supplies from coronavirus patients, according to reports.
Under new guidance, doctors have been told to lower their targets for how much oxygen sick people should have in their blood to 92 to 96%, the Daily Telegraph reports.
The target saturation range is normally 94 to 98%. But as the coronavirus crisis reaches its peak in the UK, medics have even been told to consider a range of 90 to 94% "if clinically appropriate", to save the vital gas for those who need it the most.
Hospital bosses are understood to have been told of the new rules, which apply to all patients and not just those who have Covid-19, on April 9.
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