You may think the most common single cause of death in the United States is heart attack. Or cancer. Or stroke. But it’s actually sudden cardiac arrest (SCA). This runaway problem with the heart’s electrical system is fatal 95 percent of the time.
Researchers suspect sleep apnea causes abnormal heart rhythms, which lead to sudden cardiac death.
Why do you need a beta-blocker if you have heart failure? These drugs can slow your heart rate and keep it from overworking. Find out why they’re essential.
If you’re an athlete, there’s one muscle that can become too big: your heart. Sure, it sounds counterintuitive. The purpose of training, after all, is to grow and strengthen your muscles. Doesn’t a strong heart fuel athletic performance? In most cases, yes. In general, it’s completely normal and healthy for your heart to adapt to … Read More
Cleveland Clinic is a non-profit academic medical center. Advertising on our site helps support our mission. We do not endorse non-Cleveland Clinic products or services. Policy
It’s your physical and your doctor is coming at you with a cold stethoscope, ready to listen to your heart. But what does your heart have to say? Potentially, a lot. Comprised of four chambers and four valves, one of the heart’s most important jobs is to keep blood flowing in one direction. The valves … Read More
Hypertrophic cardiomyopathy is sudden cardiac death, which sometimes strikes teens and young adults. Find out why you should get your son or daughter screened.