DEAR DR. ROACH: What’s the difference between atrial fibrillation and premature ventricular contractions, aka PVCs (extra heartbeats)? -- M. ANSWER: Both AFib and PVCs are rhythm disturbances of the ...

Atrial fibrillation (AFib) with rapid ventricular response is a heart rhythm disturbance that puts you at higher risk for stroke and other serious complications. There are treatment options. Share on ...

Atrial fibrillation (AFib) is a type of heart arrhythmia that causes the top chambers of your heart, the atria, to quiver and beat irregularly. AFib used to be described as chronic or acute, with ...

More than 33 million people around the world have the irregular, often rapid heartbeat known as atrial fibrillation (AFib). It’s more common as you get older. But for reasons that aren’t fully ...

What is atrial fibrillation, and why has Apple decided that it’s worth screening for it? The first question is much easier to answer, so let’s get that out of the way. Your heart has four chambers, ...

Atrial fibrillation (AFib) is a disorder centered in the heart's upper chambers that causes the organ to be unable to maintain its regular rhythm. The condition can cause palpitations, fatigue, ...