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 ...

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 ...

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 ...

Third-degree heart block usually involves treatment with a temporary or permanent pacemaker. In some situations, treatment may include medications or synthetic hormones. Third-degree heart block, also ...

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 ...

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 ...

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 ...

A 31-year-old woman with no significant medical history presents with intermittent heart palpitations, dizziness, shortness of breath, and fatigue provoked by exercise. Can you make the diagnosis? A ...

Dear Dr. Roach: Is COVID-19 infection a cause of heart block? I recently had a complete heart block, tested positive in the ER for COVID-19 (symptomless and post-vaccine), and was fitted with a ...

Using computers to make a digital replica of the heart -- a digital heart twin -- can successfully identify problem areas deep in the heart muscle of people with a serious heart rhythm disorder, a new ...