Having an accelerated junctional rhythm occurs when the atrioventricular node in your heart beats too quickly. It happens as a result of damage to your heart’s primary natural pacemaker. There’s no ...

Dr. Richard Page answers the question: 'What Causes Defibrillator To Fire?' — -- Question: What kind of heart rhythm problems will cause my defibrillator to fire? Answer: Your defibrillator is ...

Second-degree heart block is a type of heart rhythm disorder. There are two types of second degree heart block — Mobitz type 1 and Mobitz type 2. Mobitz type 2 heart block occurs when the electrical ...

Dr. Zipes answers the question: 'Heart Attack vs. Heart Rhythm Problems?' — -- Question: What is the difference between a heart attack and heart rhythm problems? Can one cause the other? Answer ...

You may be able to lower your risk for developing heart rhythm abnormalities by speeding up your walking pace. That’s according to a large new study published Tuesday in the journal Heart, which found ...

Atrial fibrillation, or A-fib, is an irregular heart rhythm that increases a person’s risk of stroke, heart failure, and even premature death. While many risk factors contribute to A-fib, one stands ...

There are three types of second degree heart block, also called atrioventricular (AV) block. In type I the signal sometimes does not reach the ventricles, causing skipped beats. It is often benign and ...

Malignant arrhythmias are dangerous heart rhythm problems that can lead to cardiac arrest, most often originating in the heart’s lower chambers. These arrhythmias are frequently linked to underlying ...