Word Pronunciation & Dictionary

atrial fibrillation

Word Rarity Rare

Frequency: 2.58 in modern English

Syllables: atri-al -fib-ril-la-tion
IPA

23

Scrabble Score

18

Letters

6

Syllables

9

Unique Chars

Meaning

noun

A cardiac arrhythmia (abnormal heart rhythm) that involves the two upper chambers (atria) of the heart.

Countable; Uncountable

Example Sentences

"The most common type of irregular heartbeat is atrial fibrillation or AFib. It is estimated that between three and six million people in the United States have AFib."

Usage

Inflected Forms

atrial fibrillations (plural)

Synonyms

auricular fibrillation AF a-fib afib

Questions

What does atrial fibrillation mean?: A cardiac arrhythmia (abnormal heart rhythm) that involves the two upper chambers (atria) of the heart.

How to pronounce atrial fibrillation

Open the pronunciation page — Open the Speakur entry for “atrial fibrillation”.
Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
Play the audio — Click Play to hear reference audio for “atrial fibrillation”.
Repeat and practice — Say “atrial fibrillation” aloud, matching stress and vowels until it feels natural.