What is fibrillation?

Fibrillation are:

  • - 1. The rapid contractions or quivering of muscular fibrils
  • - 2. The formation of fibrils.

atrial f. The replacement of the normal rhythmic contractions of the cardiac atria by rapid irregular quivers.
ventricular f. Rapid, irregular twitchings that replace the normal contractions of the muscular walls of the ventricles.

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