Who is the most at risk for atrial fibrillation? Dr. Rod Passman, Director, Center for Arrhythmia Research, Northwestern ...

A steady heartbeat is a healthy heartbeat, but it’s not uncommon for a heart to get out of rhythm and into atrial fibrillation, especially as people get older.

Dear Dr. Roach: I'm a generally healthy 60-year-old man. Last week, I had some abdominal cramping, and while I was on the toilet, I noted the abrupt onset of a strange feeling in my chest as well as ...

If you have a racing or irregular heartbeat, also known as an arrhythmia, one likely suspect is atrial fibrillation (AFib). “Of all the possible heart rhythm disorders, atrial fibrillation is by far ...