Medical Subject Headings

Last uploaded: March 22, 2026
Id http://purl.bioontology.org/ontology/MESH/D001282
http://purl.bioontology.org/ontology/MESH/D001282
Preferred Name

Atrial Flutter

Definitions
Rapid, irregular atrial contractions caused by a block of electrical impulse conduction in the right atrium and a reentrant wave front traveling up the inter-atrial septum and down the right atrial free wall or vice versa. Unlike ATRIAL FIBRILLATION which is caused by abnormal impulse generation, typical atrial flutter is caused by abnormal impulse conduction. As in atrial fibrillation, patients with atrial flutter cannot effectively pump blood into the lower chambers of the heart (HEART VENTRICLES).
Synonyms
Flutter, Auricular
Flutter, Atrial
Flutters, Atrial
Auricular Flutter
Atrial Flutters
Flutters, Auricular
Auricular Flutters
Type http://www.w3.org/2002/07/owl#Class
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