How Dangerous Is Fainting?

Find answers to questions that pique your curiosity in our series, The Short Answer. Cardiologist Bruce Wilkoff, MD, explains when to be concerned about recurrent fainting.

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Sudden Cardiac Arrest: 5 Things Raise Your Risk

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.