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 ...

A randomized trial that compared previously used and new pacemakers in patients found the reconditioned devices were as safe and effective as new pacemakers, potentially offering affordable options ...

Pacemakers, relied upon by many patients with irregular heart rhythms, are not built for children. Scrambling up trees, hanging from monkey bars, and even the simple act of growing make the device ...

Arrhythmias, or irregular heart rhythms, are common complications of HCM. The thickened heart muscle disrupts the electrical pathways that coordinate heartbeat, leading to arrhythmias. Atrial ...

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 ...