First-degree heart block is the mildest type and often requires no treatment. Third-degree heart block is the most severe and often needs a pacemaker to regulate the heartbeat. Many different causes ...

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 ...

There is an increased risk of fetal heart problems when mothers carry particular antibodies associated with rheumatic diseases, according to an abstract presented by Yale School of Medicine ...

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 ...