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 ...

Atrial fibrillation (AFib) is a kind of irregular heartbeat, or arrhythmia. A problem with the electrical signals that control your heart’s pumping action causes it to beat too fast in a pattern that ...

Chargers head coach Jim Harbaugh shared some more information about the health issue that sent him to the locker room during the first half of Sunday’s win over the Broncos. Harbaugh told the CBS ...

Jim Harbaugh briefly left the Chargers vs. Broncos game in Week 6 because of a heart condition. Here's what to know about atrial flutter.