Word: carboxyhemoglobin
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Dates: during 1970-1979
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...hard-breathing Harvard hockey team these levels are dangerous. For instance, a Harvard iceman whose ventilation rate reaches 25 litres per minute after 80 minutes, at exposures of 60 ppm will incur a 10 per cent carboxyhemoglobin level--10 per cent of his oxygen carrying hemoglobin is bound by carbon monoxide. This means that the Harvard player is receiving oxygen as if he were at 12,000 feet above sea level...
...April 1 through April 9 showed CO levels of 25 ppm not uncommon during rush hour. For the one hour jogger, carbon monoxide levels found on the circuit exceed those of heavy cigarette smokers in some cases. For example, a person smoking three cigarettes in a row may produce carboxyhemoglobin levels of 7 per cent, corresponding to an altitude of 7000 feet above sea level. The physiological consequences are the same as those for the hockey player...
...Harvard's hockey team should submit to complete EKG exams, and pre-season and post-season hemoglobin and carboxyhemoglobin level counts...
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