Which of the following statements is not true for atrial fibrillation vs. atrial flutter?

Question

Quizplus · Accepted Answer

Atrial fibrillation can be treated with catheter ablation. Atrial flutter is a condition that is similar to atrial fibrillation. However, compared with atrial fibrillation atrial flutter presents with a more organized and less chaotic heart rate. Atrial flutter may develop into atrial fibrillation, and the reverse is possible as well.
In atrial flutter, the atrial rhythm is generally regular, and the ventricular rhythm may be regular or irregular. In atrial fibrillation, the atrial rhythm and the ventricular rhythms are irregular.
The symptoms, risk factors, and complications of atrial flutter are similar to atrial fibrillation. However, atrial flutter is not as life threatening as atrial fibrillation.

Which of the Following Statements Is Not True for Atrial