Carbon Monoxide Headquarters
Misconceptions, Page 2, Dr. D.G. Penney


CO is not Well Understood:


More Misconceptions:

Physiology:

  • CO binding to hemoglobin is irreversible. See Answer

  • CO (caused) hypoxia is no more serious than any other type of hypoxia. See Answer

  • CO poisoning is no more serious than an anemia in which there is a comparable amount of hemoglobin able to carry oxygen. See Answer

  • Small animals (birds, mice, etc.) die more quickly because their hemoglobin binds CO more avidly than that of humans, thus they were used as alarms for CO in mines. See Answer

  • The fetus is protected from CO by the maternal body. See Answer

  • Good COHb measurements can be obtained one day to a week after a person leaves the site of the CO poisoning. See Answer

  • Breathing "clean" air for 2-3 hours will eliminate all CO from the body. See Answer

  • Breathing 100% oxygen for 20-30 minutes will eliminate all CO from the body. See Answer

  • Breathing (filter) masks protect the wearer from inhalation of CO.


    ...... last changed 03/20/02



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