Medically reviewed by Jeffrey S. Lander, MD Key Takeaways Atrial fibrillation (AFib) can lead to strokes and heart failure, ...

Non-sustained ventricular tachycardia is an abnormally fast heart rate that occurs in the lower chambers of the heart and lasts for less than 30 seconds. Tachycardia is a heart rate that is faster ...

Arrhythmia puts you at greater risk of potentially life threatening complications affecting your heart, brain, and lungs. An arrhythmia is an abnormal heartbeat that beats too fast, slow, or ...