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Definition of Hypocapnia

Hypocapnia: Less than the normal level of carbon dioxide in the blood. Hypoapnia is the opposite of hypercapnia. The origin of the suffix "-capnia" is curious. It comes from the Greek "kapnos" referring to carbon dioxide which is a principal part of smoke.

Source: MedTerms™ Medical Dictionary
Last Editorial Review: 6/14/2012

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