fibrillation

(fib′ri lās̸hən, fī′bri-)

noun

a rapid, uncoordinated series of contractions of a muscle; esp., such contractions of some portion of the heart muscle, causing irregular heartbeats and sometimes ineffectual pumping of blood

Origin: < fibril + -ation

See fibrillation in American Heritage Dictionary 4

noun
  1. The forming of fibers.
  2. a. Fine, rapid twitching of individual muscle fibers with little or no movement of the muscle as a whole.
    b. Rapid uncoordinated twitching movements that replace the normal rhythmic contraction of the heart and may cause a lack of circulation and pulse.

Learn more about fibrillation

link/cite print suggestion box