Definition of "hypercapnia" [hypercapnia]

• A condition marked by an unusually high concentration of carbon dioxide in the blood as a result of hypoventilation. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Someone who says things like "Carbon Dioxide is harmless" when in fact, hypercapnia can kill people, is a dangerous person."
• "High levels of CO2 can give rise to hypercapnia and respiratory acidosis, which can lead to unconsciousness and death if left untreated."
• "You can experience hypercapnia when your blood cannot exchange CO2 by Oxygen at the respiratoty bronchial alveoles."