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).


Images

<b>Atrial flutter</b> with 4:1 block

Atrial flutter with 4:1 block
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Notes

Notes
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<b>Atrial Flutter</b> with Variable

Atrial Flutter with Variable
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<b>Atrial flutter</b>

Atrial flutter
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<b>Atrial flutter</b> with variable

Atrial flutter with variable
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Picture of <b>Atrial flutter</b>

Picture of Atrial flutter
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<b>atrial flutter</b> originating

atrial flutter originating
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<b>Atrial Flutter</b>

Atrial Flutter
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Last update: September 2014