Which of the following describes the correct procedure for an Allen test?
A) Compress both the radial and ulnar arteries, and then release the radial artery.
B) Compress both the radial and ulnar arteries, and then release the ulnar artery.
C) Compress both the radial and ulnar arteries, and then release both arteries at once.
D) Compress the brachial artery only and observe circulation to the hand.

Question

Quizplus · Accepted Answer

During an Allen test, both the radial and ulnar arteries are compressed and then the ulnar artery is released while continuing to compress the radial artery. This allows for assessment of collateral circulation to the hand. Option A releases the wrong artery first, while option C releases both arteries at once, making it difficult to assess collateral flow. Option D is not the correct procedure for an Allen test.

Which of the Following Describes the Correct Procedure for an Allen