Medically reviewed by Jeffrey S. Lander, MD Key Takeaways S1 and S2 are the normal heart sounds you hear when the heart ...

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. 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 ...

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 ...

Junctional rhythm is an irregular heart rhythm that stems from a natural pacemaker in the heart known as the atrioventricular junction. The heart has several built-in pacemakers that help control its ...

The first step to manage your atrial fibrillation (AFib) is to talk to your doctor about treatments that will control your heart rate or heart rhythm. One way to control your AFib is to take rhythm ...

Heart rhythm is an important vital sign that everyone should be aware of as it is an indicator of overall well-being. When your heart rate is not functioning correctly, oxygen and nutrient rich blood ...

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 ...

Early initiation of rhythm-control therapy in patients with atrial fibrillation (AF) and heart failure can reduce the risk of cardiovascular events—including hospitalization for worsening heart ...