Dr. Hugh Calkins answers the question: 'Atrial Fibrillation vs. Atrial Flutter?' — -- Question: My doctor told me I sometimes have atrial fibrillation and at other times have atrial flutter. What ...

Atrial tachycardia is an abnormal heart rhythm where the top chambers in your heart beat quicker than usual. During an atrial tachycardia episode, your heart rate may exceed 100 beats per minute (bpm) ...

AF, or AFib, and its close medical cousin, atrial flutter, are associated with complications such as stroke, heart failure, and heart attack. While there’s an understandable focus on treating these ...

Complete heart block means that there’s a complete separation of electrical activity between the upper and lower chambers of the heart. Without prompt medical attention, it can be fatal. Your heart ...

People with third degree heart block have an irregular heartbeat due to a total blockage of the electrical impulses that control the heart’s activity. It can lead to faintness and breathing difficulty ...