Carbon Monoxide Headquarters
Misconceptions, Page 2, Dr. D.G. Penney
CO is not Well Understood:
CO binding to hemoglobin is irreversible.
CO (caused) hypoxia is no more serious than any other type of hypoxia.
CO poisoning is no more serious than an anemia in which there is a comparable amount of hemoglobin able to carry oxygen.
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.
The fetus is protected from CO by the maternal body.
Good COHb measurements can be obtained one day to a week after a person leaves the site of the CO poisoning.
Breathing "clean" air for 2-3 hours will eliminate all CO from the body.
Breathing 100% oxygen for 20-30 minutes will eliminate all CO from the body.
Breathing (filter) masks protect the wearer from inhalation of CO.
...... last changed 03/20/02
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