atrial flutter

noun

Medical Definition of atrial flutter

: an irregularity of the heartbeat in which the contractions of the atrium exceed in number those of the ventricle

called also auricular flutter

Learn More About atrial flutter

Dictionary Entries Near atrial flutter

atrial fibrillation

atrial flutter

atrial natriuretic factor

See More Nearby Entries 

Cite this Entry

“Atrial flutter.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/atrial%20flutter. Accessed 6 Dec. 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
Love words? Need even more definitions?

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