ankle-brachial index

noun
an·​kle-bra·​chi·​al index

Medical Definition of ankle-brachial index

: a measure of the difference in the systolic blood pressure of the arm and ankle calculated by dividing the blood pressure of the ankle by that of the arm Mercy Medical Center-Dubuque will host an ankle-brachial index screening for peripheral artery disease.The Telegraph Herald (Dubuque, Iowa), 30 Apr. 2007

Note: A normal ankle-brachial index is considered to be between .95 and 1.2 or .9 and 1.3, with a number below .9 indicating narrowing or blockage of leg arteries.

abbreviation ABI

Learn More About ankle-brachial index

Dictionary Entries Near ankle-brachial index

anklebone

ankle-brachial index

ankle jerk

See More Nearby Entries 

Cite this Entry

“Ankle-brachial index.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/ankle-brachial%20index. Accessed 21 Sep. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Typeshift

Anagram puzzles meet word search.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!