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 ...

AN NFL COACH IS PUTTING HEART HEALTH IN THE SPOTLIGHT. CHARGERS HEAD COACH JIM HARBAUGH WALKED OFF THE FIELD YESTERDAY IN THE MIDDLE OF THE GAME. HE LATER TOLD REPORTERS HE WAS HAVING AN ATRIAL ...