Dear Doctors: I am a 47-year-old woman in good health. I exercise regularly and eat a healthy diet. At my physical, I was surprised when my doctor said I have A-fib. I have never felt anything wrong ...

I was starting to have some issues to the point that my wife, Natalie, asked me, ‘Are you going to go have that looked at?’” ...

A racing heart ... heart palpations ... a fluttering inside the chest ... an uneven heartbeat. That’s how you may feel if you have atrial fibrillation, the most common type of irregular heartbeat ...

When expectant parents imagine their baby’s beating heart, few consider the possibility of a structural issue being present from day one. Yet for thousands of families each year, this becomes reality ...