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.

One initial treatment is a cardioversion, which involves using a defibrillator to deliver an electric shock to the heart to restore rhythm. It’s often successful, but sometimes only temporarily.

Atrial fibrillation, or AFib, is a fast and irregular heart rhythm that, left untreated, can lead to blood clots, stroke and heart failure. It's the most common type of arrhythmia, a potentially ...

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 ...

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 ...

A groundbreaking study from Catalonia identifies concerning connections between irregular heartbeats and cognitive decline, especially in adults under 65. The connection between heart health and brain ...