Allen's test

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Notion

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Science and technology

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What Wikipedia says

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 test in 1942.

Excerpt from the Wikipedia article “Allen's test”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Rhcastilhos, Public domain, via Wikimedia Commons.