Carbon monoxide poisoning sends roughly 40,000 people to hospitals every year in the United States. Although doctors routinely treat such patients with oxygen, the medical community still hasn't reached a consensus on the optimum dose or best delivery method.
Scientists report in the Oct. 3 New England Journal of Medicine that breathing pressurized, or hyperbaric, oxygen limits long-term brain damage from carbon monoxide poisoning better than simply inhaling oxygen at normal atmospheric pressure from a mask, the most common therapy.
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