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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 ...

Generally, pacemakers improve quality of life for individuals who have a condition causing bradycardia, or a slowed heart rate. However, because there is an electrical device implanted near your heart ...

A biventricular pacemaker is a device that can help the heart beat more efficiently when a person has heart failure or an irregular heartbeat. When a person has heart failure or an irregular heartbeat ...

Your heart has an internal pacemaker called the sinus node. It's a group of cells, located on top of your heart, that sends electrical signals into the heart and controls your heartbeat. Sometimes, ...

Though a Northwestern-developed quarter-size dissolvable pacemaker worked well in pre-clinical animal studies, cardiac surgeons asked if it was possible to make the device smaller. To reduce the size ...

Complete healing from pacemaker surgery can take up to 6 weeks. However, people may need to restrict themselves from certain activities, such as heavy lifting, for longer. Factors such as age and ...

A pacemaker is an electric medical device that’s generally about the size of a matchbox. A surgeon implants it under your skin to help manage irregular heartbeats called arrhythmias. Pacemakers can ...

The human heart has a natural pacemaker in the sinus node or the sinoatrial node, which is a group of cells that trigger electrical signals to stimulate the rhythmic contraction of the heart. In 1958, ...

Clinicians have been able to remotely monitor pacemakers for years thanks to a combination of near-field and remote wireless technologies, but until now, patients haven’t been able to access the data ...