Leadless Pacemaker: A wire-free option, inserted through a catheter ... Why Does 76-YO Arnold Schwarzenegger Still Need It to Stay Alive Despite 3 Heart Surgeries? appeared first on EssentiallySports.

"There are two challenges with placing a pacemaker in a small child," he said. "First, the device is large compared to the size of a newborn or preemie. Second, the pacing wire from the device to ...

A common pacemaker system has a battery and two wires that can send and receive electrical signals. One wire rests near the ...