Letter A

Atrial flutter

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Well-organized but overly rapid contractions of the atrium of the heart (usually at a rate of 250-350 contractions per minute).</P> Flutter refers to a rapid vibration or pulsation.

The difference between flutter and fibrillation is that flutter is well organized while fibrillation is not.

Atrial flutter is a serious and potentially unstable rhythm of the heart.

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