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 ...

Jim Harbaugh told reporters Tuesday he had two successful surgeries during the 2025 NFL offseason. One was a hip replacement; the other was a cardiac ablation done after the 61-year-old coach ...