atrial flutter
(redirected from Atrial Fluter)Also found in: Medical.
atrial flutter
[′ā·trē·əl ′fləd·ər] (medicine)
A cardiac arrhythmia characterized by rapid, irregular atrial impulses and ineffective atrial contractions; the heartbeat varies from 60 to 180 per minute and is grossly irregular in intensity and rhythm. Also known as auricular flutter.