oxygen extraction


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ox·y·gen ex·trac·tion

(ok'si-jĕn eks-trak'shŭn)
The amount of oxygen removed from the blood as it passes through capillaries (the difference between the oxygen content of arterial and venous blood).

oxygen extraction

The difference between the partial pressure of oxygen leaving a tissue and the partial pressure of oxygen entering the tissue.
See also: extraction
References in periodicals archive ?
Nonetheless, coronary flow increased with simultaneous decrease of oxygen extraction by the heart.
The best information we have right now, as far as connecting an abnormality by physiologic imaging with a risk factor, is for increased oxygen extraction," Dr.
2]), cerebral blood flow (CBF), oxygen extraction ratio (OER) and cerebral blood volume (CBV).
Oxygen extraction involves compression, cleaning and, ultimately, cooling the air in a "cold box" until it liquifies at about minus 168 [degrees] C.
The team compared oxygen uptake and muscle oxygen extraction between 18 young men and women of similar age and weight during treadmill exercise.
The purpose of this study was to intraoperatively compare the effects of moderate hyperventilation on the jugular bulb oxygen saturation (SjO [sub]2 ), cerebral oxygen extraction ratio (O [sub]2 ER), mean arterial blood pressure (MAP), and heart rate (HR) in patients with a supratentorial tumor under different anesthetic regimens.
Cyanide poisoning can also produce a falsely high reading since it reduces oxygen extraction from arterial blood.