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 ...

First-degree heart block is the mildest type and often requires no treatment. Third-degree heart block is the most severe and ...

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 ...

Dear Dr. Roach: I recently had an EKG that showed first-degree heart block and “inferior infarct, age undetermined.” What does that mean? What should I do to make sure it doesn’t get worse? I will be ...

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 ...

Jessika Seward, then 22, felt a jolt of pain in her chest while working an overnight shift as a cardiac nurse in April 2023. At first, she brushed it off. But the pangs continued for a half hour and a ...