September is Heart Health Month on Studio 17, and today we’re focusing on atrial fibrillation (Afib), a common heart rhythm ...

Your defibrillator is designed to respond to a high heart rate that's usually associated with a life-threatening arrhythmia. So most of the time, it will respond to either ventricular tachycardia ...

If a person's heart rate increases quickly, it can be scary. However, there are many causes and treatment options. Learn more here.

This heart rhythm disturbance occurs when the upper chambers of the heart (atria) contract rapidly in a disorganized fashion. Symptoms may include palpitations, dizziness, fatigue, chest pain ...

Miniature-sized heart chambers called ventricles have been 3D printed with live human heart muscle cells and shown to beat on their own for at least three months.