Second-degree heart block is a potentially serious but treatable condition affecting the heart’s electrical system. Treatment may require a pacemaker to stabilize the heart’s rhythm. Electrical ...

First-degree ventricular (heart) block affects the electrical signal that makes the heart beat. It causes a delay in a portion of the heart beat and may lead to a slow heart beat. Healthcare ...

Third-degree heart block usually involves treatment with a temporary or permanent pacemaker. In some situations, treatment may include medications or synthetic hormones. Third-degree heart block, also ...

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 ...

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