Allen test detects insufficiency of which aery
Correct Answer: Radial aery
Description: Allen's Test Tests the adequacy of the blood supply to the hand from the radial and ulnar aeries and the arcade between them Allen's test is used to know the integrity of palmar arcg (patency of radial and ulnar aeries). If these are patent, AVF can be safely ligated Method of Allen's test Elevate the hand and apply digital pressure on the radial and ulnar aeries to occlude them Ask the patient to make a fist several times The tips of the finger should go pale. Release each aery in turn and observe the return of colour Ref : Sabiston 20th edition Pgno :1979
Category:
Surgery
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