oligemia


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Related to oligemia: Hampton's hump, Westermark sign

ol·i·ge·mi·a

(ol'i-jē'mē-ă), Avoid the mispronunciation ol-i-gē'mē-ă.
A deficiency in the amount of blood in the body or any organ or tissue.
[oligo- + G. haima, blood]

oligemia

[ol′ijē′mē·ə]
Etymology: Gk, oligos, little, haima, blood
a condition of hypovolemia or reduced circulating intravascular volume. Also spelled oligaemia.

oligaemia

The reduction of blood volume in the peripheral circulation. While hypovolaemia is in far more common general use, oligaemia is preferred by radiologists when referring to a local reduction in blood perfusion, as occurs in pulmonary embolisation.

ol·i·ge·mi·a

(ol'i-jē'mē-ă)
A deficiency of blood in the body or any organ or tissue.
Synonym(s): oligaemia.

ol·i·ge·mi·a

(ol'i-jē'mē-ă)
Deficiency in amount of blood in body or any organ or tissue.
Synonym(s): oligaemia.

oligemia

deficiency in volume of the blood. Estimation of the degree of oligemia, the severity of dehydration, is a vital assessment in many diseases of animals. See packed cell volume, dehydration.
References in periodicals archive ?
12] However, recently it has been proposed that aura results from a spreading wave of cortical neuronal depression secondary to oligemia (a subischemic decrease in blood flow).
A-CHEST RADIOGRAPHY: Chest X-ray could be completely normal, or there could be focal oligemia (westermark, s sign) indicates massive central embolic occlusion.
In vascular processes, decreased perfusion suggests oligemia or intrinsic vascular pathology.
Some patients experienced severe oligemia during hyperventilation with CBF values less than 15 ml/100g min.
It is not yet clear which PWI parameter gives the optimum approximation to critical hypoperfusion and allows the differentiation of infarct from penumbra and penumbra from oligemia.