Atrial Flutter

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).

Year introduced: 1984

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Tree Number(s): C14.280.067.248, C23.550.073.248

MeSH Unique ID: D001282

Entry Terms:

• Atrial Flutters
• Flutter, Atrial
• Flutters, Atrial
• Auricular Flutter
• Auricular Flutters
• Flutter, Auricular
• Flutters, Auricular

All MeSH Categories
Diseases Category
Cardiovascular Diseases
Heart Diseases
Arrhythmias, Cardiac
Atrial Flutter

All MeSH Categories
Diseases Category
Pathological Conditions, Signs and Symptoms
Pathologic Processes
Arrhythmias, Cardiac
Atrial Flutter