arterial hypoxemia

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• Hypoxemia — Hypoxaemia (or hypoxemia) is a deficiency in the concentration of dissolved oxygen in arterial blood. A frequent error is made when the term is used to describe poor tissue diffusion as in hypoxia. It is possible to have a low oxygen content (e.g …   Wikipedia

• Arterial blood gas sampling — This article lacks . Arterial blood gas sampling is a medical technique used to check gas levels in the blood. It typically involves using a thin needle and syringe to puncture an artery, usually in the wrist, and withdraw a small amount of blood …   Wikipedia

• hypoxemia — Subnormal oxygenation of arterial blood, short of anoxia. [hypo + oxygen, + G. haima, blood] * * * hyp·ox·emia or chiefly Brit hyp·ox·ae·mia .hip .äk sē mē ə, .hī .päk n deficient oxygenation of the blood hyp·ox·emic or chiefly Brit …   Medical dictionary

• Alveolar-arterial gradient — The Alveolar arterial gradient (A a gradient), is a measure of the difference between the alveolar concentration of oxygen and the arterial concentration of oxygen. It is used in diagnosing the source of hypoxemia. Equation A a gradient = PAO2… …   Wikipedia

• hepatopulmonary syndrome — arterial hypoxemia caused by pulmonary vasodilation in conjunction with chronic liver disease, usually occurring as a result of portal hypertension in cirrhosis …   Medical dictionary

• Chronic obstructive pulmonary disease — Classification and external resources Gross pathology of a lung showing centrilobular type emphysema characteristic of smoking. This close up of the fixed, cut lung surface shows multiple cavit …   Wikipedia

• orthodeoxia — Fall in arterial blood oxygen upon assuming the upright posture. Usually caused by right to left cardiac or vascular shunting with a posturally induced fall in left sided pressure permitting a corresponding gradient across the shunt. * * *… …   Medical dictionary

• hy|pox|e|mi|a — «HY pok SEE mee uh, HIHP ok », noun. a low or deficient oxygen level in the blood: »The collapse of alveoli may be the commonest cause of arterial hypoxemia…in surgical patients (Scientific American). ╂[< hypo + ox(ygen) + emia] …   Useful english dictionary

• Hypoxia (medical) — Hypoxia ICD 9 799.02 MeSH D000860 Hypoxia, or hypoxiation, is a pathological condition in which the body as a whole (generalized hypoxia) or a region of the body (tissue hypoxia) is deprived of adequate ox …   Wikipedia

• respiratory disease — ▪ human disease Introduction  any of the diseases and disorders that affect human respiration (respiration, human).  Diseases of the respiratory system may affect any of the structures and organs that have to do with breathing, including the… …   Universalium

• Mechanical ventilation — In architecture and climate control, mechanical or forced ventilation is the use of powered equipment, e.g. fans and blowers, to move air  see ventilation (architecture). Mechanical ventilation Intervention …   Wikipedia