How to Pronounce Atrial Fibrillation

Say it like this: AY-tree-ul fih-brih-LAY-shun. Break it into four parts: AY (like the letter A), TREE (rhymes with free), ul (sounds like 'ul'), and then fih-brih-LAY-shun. The stress falls on the first syllable, AY, and again on the LAY part of fibrillation.

Many people stress the second syllable and say 'uh-TREE-ul' instead of 'AY-tree-ul.' Remember to emphasize the first syllable—think of the word 'air' at the beginning and you'll get it right.

It has six syllables total: a-tri-al fi-bril-la-tion. The first word 'atrial' has three syllables, and the second word 'fibrillation' has four syllables.

'Atrial' comes from 'atrium,' which is the Latin word for a chamber or entrance hall, and refers to the upper chambers of the heart. 'Fibrillation' comes from 'fibril,' meaning a tiny fiber, plus the suffix '-ation' meaning a condition or action—so it describes the quivering of tiny muscle fibers.

The abbreviation is 'AFib' (pronounced 'ay-FIB'), and doctors and nurses use this short form all the time in conversation and written notes. You may also see it written as 'AF,' which is pronounced by spelling out the letters: 'A-F.'

It describes a condition where the upper chambers of the heart beat in an irregular and chaotic way instead of in a steady, coordinated rhythm. In plain terms, it's like your heart's rhythm is jumbled or out of sync.

Yes! 'Ventricular fibrillation' (ven-TRIK-yuh-lar fih-brih-LAY-shun) refers to irregular quivering in the lower heart chambers. Both words use 'fibrillation' to describe the same kind of chaotic muscle activity, just in different parts of the heart.

Here's an example: 'The cardiologist explained that the patient's irregular heartbeat was caused by atrial fibrillation.' This sentence shows how the term is used in a medical conversation to name a specific heart rhythm condition.