Dr. Hugh Calkins answers the question: 'Atrial Fibrillation vs. Atrial Flutter?' — -- Question: My doctor told me I sometimes have atrial fibrillation and at other times have atrial flutter. What ...

Q: I’m a 67-year-old man who developed typical atrial flutter two years ago, but I haven’t had any symptoms that I am aware of. I don’t have a history of heart problems. My heart rate was 117 bpm ...

At least 3 million to 6 million people have atrial fibrillation, also known as AFib. It’s one of the most common types of arrhythmia, or irregular heart rhythm. And experts estimate the condition will ...