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2 Cards in this Set
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Ventilation-Perfusion scan
(V/Q scan) |
An imaging procedure used in the diagnosis of pulmonary embolism.
The procedure has two parts: (1) the injection of microscopic spheres into the bloodstream to evaluate perfusion of the lung, then (2) the inhalation of xenon gas to assess pulmonary aeration. Certain patterns of mismatching between ventilation and perfusion of the lung are considered diagnostic of pulmonary embolism. |
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Hypoxia
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An oxygen deficiency in body tissues.
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