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.

What Can I Expect from a Stress Test?

A stress test is often the first step in diagnosing a heart condition. Cardiologist Michael Rocco, MD, explains the standard stress EKG and several other variations that your doctor may order.