Phrase guide

atrial fibrillation

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

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

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: medicine, pathology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

fibrillation of the muscles of the atria of the heart

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: cardiac arrhythmia, arrhythmia, fibrillation

History

Etymology

No etymology was provided for this word.

Across languages

Translations

18 source translations are retained for this English entry.

  • Arabic: رَجَفَان أُذَيْنِيّ (rajafān ʔuḏayniyy) — cardiac arrhythmia
  • Chinese Mandarin: 心房顫動 /心房颤动 (xīnfáng chàndòng) — cardiac arrhythmia
  • Danish: hjerteflimmer — cardiac arrhythmia
  • Danish: hjerteflimren — cardiac arrhythmia
  • Finnish: eteisvärinä — cardiac arrhythmia
  • Finnish: flimmeri — cardiac arrhythmia
  • French: fibrillation atriale — cardiac arrhythmia
  • French: fibrillation auriculaire — cardiac arrhythmia
  • German: Vorhofflimmern — cardiac arrhythmia
  • Greek: κολπική μαρμαρυγή (kolpikí marmarygí) — cardiac arrhythmia
  • Hungarian: pitvarfibrilláció — cardiac arrhythmia
  • Italian: fibrillazione atriale — cardiac arrhythmia
  • Norwegian: atrieflimmer — cardiac arrhythmia
  • Norwegian: harehjerte — cardiac arrhythmia
  • Polish: migotanie przedsionków — cardiac arrhythmia
  • Spanish: fibrilación auricular — cardiac arrhythmia
  • Swedish: förmaksflimmer — cardiac arrhythmia
  • Turkish: atriyal fibrilasyon — cardiac arrhythmia