Pacemaker therapy that boosts impaired heart rate (HR) response to exertion failed to improve exercise capacity or quality of life in patients with heart failure with preserved ejection fraction ...

Question: I have just received a pacemaker. I was wondering what form of activity is best for me with my pacemaker? Answer: Pacemakers have become more sophisticated over the years. The ability of ...

An implant the size of a watch that zaps the heart with electric pulses could help thousands of people with heart failure – by cleverly changing the organ’s source of fuel. Healthy hearts mostly burn ...

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 use electrical shocks to restore a normal heart rate, especially in cases of life threatening arrhythmias or sudden cardiac arrest, while pacemakers use low-energy electrical pulses to ...