A definition of fibrillation

A Definition Of Fibrillation
Source: Adapted from the National Institutes of Health

What does the term “fibrillation” mean? The term “fibrillation” refers to a rapid, uncoordinated series of contractions of some part of the heart muscle causing irregular heartbeats. atrial fibrillation is the rapid, ineffective beating of the upper part To find out more about this term, please search the news section of this website for related articles and information.