Ventricular tachycardia is a type of arrhythmia, or irregular heart rhythm. Sometimes called VT or V-tach, it’s an unusually fast heartbeat that starts in the lower part of your heart called the ...

This week the FDA has approved a new smartphone ECG device that is capable of detecting three heart arrhythmias takes the form of the AliveCor KardiaMobile. Designed to detect Atrial Fibrillation ...

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 ...

It’s easy to confuse atrial fibrillation (AFib) with what’s called supraventricular tachycardia (SVT). After all, both have to do with your heart rate and both start in the upper chambers of your ...

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 ...

Atrial fibrillation occurs when action potentials fire very rapidly within the pulmonary veins or atrium in a chaotic manner. The result is a very fast atrial rate — about 400 to 600 beats per minute.