Can the Apple Watch differentiate between Atrial Flutter and Atrial Fibrillation?

Thank you. However, I think the upper and lower chambers could be out of rhythm with atrial flutter as well, since with Flutter, the atrial chamber may beat 4 times for every one ventrical beat. But it sounds like the watch can't tell flutter and fibrillation apart. I think fibrillation is more serious because it is more likely to cause a stroke. I have both, and that is why I was hoping the watch could tell the difference.

Actually, I think atrial flutter would also be considered an irregular rhythm. However, I appreciate your answer because it sounds like the Watch cannot tell the difference between Atrial flutter and fibrillation, which is my main concern. Thanks.

Thank you!!! That was an extremely accurate and helpful response because I have been deliberating over having an ablation to correct A-Fib. I will discuss with my Doctor, but I suspect that most of my Apple Watch 6 Atrial Fibrillation indications are actually Atrial Flutter, as during a 30 second Watch ECG, my Heart Rate is still very low, I have no symptoms, and I had been previously diagnosed by a Doctor as having Atrial Flutter with a premature beat. Your answer correlates exactly with what I have read, and with what I believe is my situation. Thanks again!