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Source:

Nursing2015

October 2005, Volume 35 Number 10 , p 26 - 26

Author

  • RICHARD L. PULLEN RN, EDD

Abstract

USE THE MODIFIED Allen test to assess the integrity of the ulnar artery before your patient undergoes radial artery puncture or cannulation. You must verify ulnar collateral circulation to ensure blood flow to the hand if embolization or a thrombus occludes the radial artery.

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