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9 February 2012








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Carbon monoxide poisoning can have long-term effects

[20 February 2008 - 12h14]

Carbon monoxide (CO) is a truly devious substance… And according to American researchers, poisoning with this odourless, colourless but deadly gas can have long-term repercussions for the heart. Even after it has been eliminated by the body.

During carbon monoxide poisoning, carbon monoxide binds to haemoglobin, gradually replacing oxygen. It therefore deprives the blood – and hence the muscles – of their main source of life. To the extent that a man can die within just fifteen minutes.

At Rhode Island Hospital, Providence, Dr Selim Suner has drawn attention to “the direct consequences (of this poisoning) on the cardiac muscle”. He also points out that these consequences are “direct”, as the gas produces effects that are quite clearly “independent from oxygen starvation, which also damages the cardiac pump”.

In other words, carbon monoxide exploits various access routes when it attacks the heart. This finding is a worrying one. As Dr Suner sees it, “this means that carbon monoxide poisoning leaves long-term marks on the heart that remain well after it has been removed from the blood”.

Source : Academic Emergency Medicine, January 2008

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