What is the pattern of atrial flutter?

Atrial flutter causes the heart to beat in a fast but regular pattern — unlike afib, which causes a fast and irregular pattern. Atrial flutter produces a distinctive “sawtooth” pattern on an electrocardiogram (EKG or ECG), a test used to monitor the heart and diagnose heart rhythm disorders.

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How serious is AFib flutter?

The main danger with atrial flutter is that your heart doesn’t pump blood very well when it beats too fast . Vital organs like the heart muscle and brain may not get enough blood, which can cause them to fail. Congestive heart failure, heart attack, and stroke can result.29 May 2020

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