fibrillation

Other forms: fibrillations

Definitions of fibrillation

1. noun

   muscular twitching involving individual muscle fibers acting without coordination
   types:

   atrial fibrillation

   fibrillation of the muscles of the atria of the heart

   ventricular fibrillation

   fibrillation of heart muscles resulting in interference with rhythmic contractions of the ventricles and possibly leading to cardiac arrest

   type of:

   twitch, twitching, vellication

   a sudden muscle spasm; especially one caused by a nervous condition
2. noun

   act or process of forming fibrils
   type of:

   branching, fork, forking, ramification

   the act of branching out or dividing into branches