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Allen's test |
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Allen's test, [Edgar Van Nuys Allen, American physician, 1893-1986], a test for the patency of the radial artery after insertion of an indwelling monitoring catheter. The patient's hand is formed into a fist while the nurse compresses the ulnar artery. Compression continues while the fist is opened. If blood perfusion through the radial artery is adequate, the hand should flush and resume its normal pinkish coloration. Allen's test Rehabilitation medicine A test used to determine patency of the ulnar or radial artery; the hand is clenched to force blood out; if the blood does not flow back into the hand rapidly, one or more arteries are stenosed or
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Also, a clearly positive Allen's test is important. |
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