For patients with atrial fibrillation, catheter ablation reduces the risks for ischemic stroke at more than 30 days, mortality, and heart failure hospitalization, while surgical ablation only reduces ...

New research explains how low levels of the electrolyte sodium in the blood can disrupt the timing of the heartbeat in ...

Q: I used to be a serious exerciser, but now that I am in my late 60s, I find it harder and harder to stay on track. Got any words ...