Information about Nancy Guthrie's pacemaker helped authorities piece together a new timeline in her kidnapping. Can the ...

Nancy Guthrie’s 2 a.m. pacemaker spike on the day she vanished could mean that the elderly woman was involved in a heart rate-surging struggle with her possible captors, a lead cardiologist speculated ...

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, ...

Single-chamber ventricular leadless pacemakers do not support atrial pacing or consistent atrioventricular synchrony. A dual-chamber leadless pacemaker system consisting of two devices implanted ...

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 ...

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 ...

Pacemaker implantation is a procedure that helps regulate irregular heart rhythms. The common conditions leading to the procedure in women differ from those in men. Following pacemaker implantation, ...