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 ...

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 ...

DEAR DR. ROACH: I’m an 88-year-old female who has been diagnosed with ventricular fibrillation. My cardiac electrophysiology doctor, who implanted a conventional pacemaker four years ago, has noticed ...

For congestive heart failure patient Chet Consolazione even a short walk around his Petaluma garden would have been a challenge a year ago. "I'd sit down on the floor and rest. Then I'd go back to bed ...

MANCHESTER, UK — There have been many recent advances in cardiac rhythm management, notably the use of leadless pacemakers and subcutaneous implantable cardioverter defibrillators (S-ICDs), experts ...