Apr 5, 2024 · An Allen test is a simple way to check how well blood flows through your hands. Find out why you may need the test, how it’s done, and what the results mean.

In medicine, Allen's test or the Allen test is a medical sign used in physical examination of arterial blood flow to the hands. It was named for Edgar Van Nuys Allen, who described the original version of the …

Dec 28, 2023 · Allen’s test or Allen test (AT) is a simple non-invasive method for assessing the perfusion and patency of the arteries (i.e., radial and ulnar artery) that supply blood to the hand. Allen’s test …

The test was first described in 1929 by Edgar V. Allen as a non-invasive evaluation of the arterial patency of the hand in patients with thromboangitis obliterans.

The Allen test is used for suspected arterial occlusion. If a patient's hand flushes fully and rapidly after an artery is released, that artery, the palmar arch, and the digital arteries are patent.

Dec 3, 2025 · The Allen’s Test: Learn this essential pre-procedure safety check for assessing adequate blood supply and preventing complications in the hand.

Sep 26, 2025 · The Allen Test, also known as Fist Closure Test, is a quick bedside examination used to assess the patency of the radial and ulnar arteries and the adequacy of the palmar arch circulation.

To determine if the ulnar arterial collateral circulation to the hand is sufficient to provide adequate collateral circulation (or blood flow) to the hand and to decrease the risk of hand ischemia following …

Oct 2, 2025 · A procedure called the Allen test can be used to find out if blood flow to your hand is normal. This test checks to see if both of these blood vessels are open and working correctly.

The Allen test assesses collateral blood flow to the hands, generally in preparation for a procedure that can potentially disrupt blood flow in either the radial or the ulnar artery. These procedures include …