ventricular fibrillation

noun

Medical Definition of ventricular fibrillation

: very rapid uncoordinated fluttering contractions of the ventricles of the heart resulting in loss of synchronization between heartbeat and pulse beat abbreviation VF, V-fib

Learn More about ventricular fibrillation

Cite this Entry

“Ventricular fibrillation.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/ventricular%20fibrillation. Accessed 4 Mar. 2021.

Style: MLA
MLA Chicago APA Merriam-Webster

Comments on ventricular fibrillation

What made you want to look up ventricular fibrillation? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

February 2021 Words of the Day Quiz

  • squirrel in winter
  • Which is a synonym of perdure?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

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!