Q: I was feeling lightheaded and having palpitations, went to the ER and was admitted me to the ICU. They said I had a run of ventricular tachycardia. What is this? A: The heartbeat is controlled by ...

Q: I was feeling lightheaded and having palpitations, went to the ER and was admitted to the ICU. They said I had a run of ventricular tachycardia. What is this? A: The heartbeat is controlled by ...

Ventricular tachycardia (V-tach or VT) is when the lower chamber of the heart beats too fast to pump efficiently. This reduces the amount of oxygenated blood the rest of the body receives. VT is a ...

A wave of nausea slammed Mr. Moran, a 55-year-old architect, back in his chair. His heart skipped, fluttered and, for a moment, seemed to stop. Then it pounded back like a jackhammer, beating so hard ...