There is no evidence that the common practice of giving patients oxygen to inhale during a heart attack is beneficial, according to a new Cochrane Systematic Review. Until further research is carried out, the researchers say the possibility that giving oxygen may actually increase a patient’s risk of dying cannot be ruled out. Globally, more than 30 million people have heart attacks every year, according to the World Health Organisation. Heart attacks occur when the flow of oxygenated blood to the heart is interrupted…

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Could Giving Oxygen During Heart Attack Be Doing More Harm Than Good?

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