Your heart's job is to keep your pulse steady to pump blood throughout your body. Sometimes your heart rate is slower when you're relaxing, and sometimes it's faster when you're exercising or stressed ...

Defibrillators and pacemakers help the heart maintain a regular rhythm. Defibrillators deliver a shock if the heart goes into arrhythmia. Pacemakers use electrical impulses to keep the heart from ...

A pacemaker may be useful for atrial fibrillation (AFib) involving a slow heart rate or other heart conduction disorders. However, doctors may recommend lifestyle changes to manage AFib before a ...

Pacemakers treat arrhythmia but don’t prevent heart attacks, which happen when plaque buildup or blood clots block arteries supplying the heart. Heart attack symptoms with a pacemaker include chest ...

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 ...

Your heart’s job is to keep your pulse steady to pump blood throughout your body. Sometimes your heart rate is slower when you’re relaxing, and sometimes it’s faster when you’re exercising or stressed ...