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atrial fibrillation

Noun CEFR B2

Definitions

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

countable, uncountable

Equivalents

6 more languages

Examples

“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.”

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

atrial natriuretic peptide atrial tachycardia atrichia atrichoblast atrichornithid atrichosis

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