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 ...

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 ...

In patients undergoing transcatheter aortic valve replacement (TAVR), high‑grade atrioventricular blocks occurring during and after the procedure had distinct mechanisms and predictors. Both ...