Abnormal cardiac rhythm that is characterized by rapid, uncoordinated firing of electrical impulses in the upper chambers of the heart (HEART ATRIA). In such case, blood cannot be effectively pumped into the lower chambers of the heart (HEART VENTRICLES). It is caused by abnormal impulse generation.
Entry Term(s)
Auricular Fibrillation
Familial Atrial Fibrillation
Paroxysmal Atrial Fibrillation
Persistent Atrial Fibrillation
NLM Classification #
WG 330.5.A5
Public MeSH Note
84; was AURICULAR FIBRILLATION 1963-83
Online Note
use ATRIAL FIBRILLATION to search AURICULAR FIBRILLATION 1966-83
Abnormal cardiac rhythm that is characterized by rapid, uncoordinated firing of electrical impulses in the upper chambers of the heart (HEART ATRIA). In such case, blood cannot be effectively pumped into the lower chambers of the heart (HEART VENTRICLES). It is caused by abnormal impulse generation.