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hypercapnia

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson 0.03 sec.
hypercapnia /hy·per·cap·nia/ (-kap´ne-ah) excessive carbon dioxide in the blood.hypercap´nic
hy·per·cap·ni·a (hpr-kpn-)
n.
An increased concentration of carbon dioxide in the blood. Also called hypercarbia.
hypercapnia
[hī′pərkap′nē·ə]
Etymology: Gk, hyper + kapnos, vapor
greater than normal amounts of carbon dioxide in the blood. Also called hypercarbia.
hypercapnia (hī´prkap´nē),
n the presence of more than the normal amount of carbon dioxide in the blood tissues resulting from an increase of carbon dioxide in the inspired air or a decrease in elimination.
hypercapnia, hypercarbia
excess of carbon dioxide in the blood, indicated by an elevated Pco2 as determined by blood gas analysis, and resulting in respiratory acidosis.
hypercapnia
The presence of a raised carbon dioxide content or tension in a milieu (e.g. blood, tears). Contact lens wear tends to give rise to this condition, especially lenses of low gas transmissibility. See acidosis.
hypercapnia
↑ CO2 in blood. See Permissive hypercapnia.


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The differential diagnosis includes, but is not limited to, inadequate anesthesia or analgesia, an improper breathing circuit, sepsis, hypoxia, hypercapnia, iatrogenic hyperthermia, heat stroke, the presence of radiologic contrast material in the central nervous system, anaphylaxis, pheochromocytoma, thyroid storm, cerebral ischemia, neuroleptic malignant syndrome, an d other muscular diseases.
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