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The Collaborative International Dictionary
Fibrillation

Fibrillation \Fi`bril*la"tion\, n. The state of being reduced to fibers.
--Carpenter.

Douglas Harper's Etymology Dictionary
fibrillation

1842, "state of being fibrillar" (that is, "arranged in fibrils"), noun of action from fibrillate (v.). Especially "a quavering in the fibrils of the muscles of the heart" causing irregular beating (1882).

Wiktionary
fibrillation

n. The rapid, irregular, and unsynchronized contraction of the muscle fibers of the heart.

WordNet
fibrillation
  1. n. muscular twitching involving individual muscle fibers acting without coordination

  2. act or process of forming fibrils

Wikipedia
Fibrillation

Fibrillation is the rapid, irregular, and unsynchronized contraction of muscle fibers. An important occurrence is with regard to the heart.

Fibrillation (video game)

Fibrillation is a 2012 first-person perspective video game created by Egor Rezenov. The story follows a man named Ewan as he travels between life and death after a car accident renders him unconscious.

Usage examples of "fibrillation".

By investigating what happens when sync unravels, mathematicians are helping cardiologists track down the cause of fibrillation, a deadly arrhythmia that kills hundreds of thousands of people every year, suddenly and without warning, even those with no history of heart disease.

A countershock to her heart eliminated the fibrillation but resulted in asystole, meaning there was no electrical activity or beat whatsoever.

Wendy and Cal were able to re vive the patient, but he went into atrial fibrillation three times on the flight to the hospital.

And anyway, I was riled up by now so I jutted my jaw and stared at her, feeling faint because my heart was locked into atrial fibrillation.

He had atrial fibrillation and had thrown off a large embolus giving him a left hemiplegia, and I was asked to see him because he constantly fell out of bed at night for which the cardiologists could find no reason.

They are used in the treatment of certain varieties of heart trouble, particularly atrial fibrillation and congestive heart failure.

The criminalist sensed an odd fibrillation in the core of his bodyan area where he could by rights feel nothing at all.

A countershock to her heart eliminated the fibrillation but resulted in asystole, meaning there was no electrical activity or beat whatsoever.

They are used in the treatment of certain varieties of heart trouble, particularly atrial fibrillation and congestive heart failure.

She is suffering from atrial fibrillation, but given the options, that's not such bad news.

Wade had suffered auricular fibrillation at an ignoble time: while in bed at the girl's Vienna condominium apartment at two in the morning, long after The Marriage of Figaro had dropped curtain, and Rita Grandi had discarded the silk hose, blouse, etc.

At this time, apart from a slight rise in temperature and occasional palpitations, no other symptoms are seen unless the horse is subjected to severe exertion, when auricular fibrillation or interference with the blood supply to the lungs occurs.

You were facing pulmonary edema, ventricular fibrillation, the loss of a few of your bits.

A badly damaged heart, unable to pump properly, likely to go into ventricular fibrillation.

I just heard a nurse say that an old guy who was drinking coffee in the cafeteria stopped breathing and then died of a big heart attack, ventricular fibrillation, before they could do anything with him!