Learn how to make a woven heart block. This block is made with alternating squares and rectangles. It's an easy block that's ...

Left bundle branch block (LBBB) is a type heart block. It results from a problem with the electrical conduction system that enables the heart to beat. It may cause no symptoms, but an ...

Research by Boston Children's validates an innovative approach to mapping the heart's invisible conduction tissue during ...

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 ...