The 8-year-old yellow Labrador lies obediently on the stainless steel exam table, tail wagging, as Dr. Henry Green monitors the dog's heart rhythm - every beat of which is guided by a pacemaker ...

Kansas State University surgeons had the rare opportunity to surgically-implant a one-of-a-kind pacemaker into a ferret named Zelda after the pet’s owner, Carl Hobi, noticed problems with the animal’s ...

The 8-year-old yellow Labrador lies obediently on the stainless steel exam table, tail wagging, as Dr. Henry Green monitors the dog’s heart rhythm — every beat of which is guided by a pacemaker ...

A big sigh of relief stemmed from a tiny device that helped an 89-year-old patient with her heart. What is now the world's smallest pacemaker is roughly the size of a quarter and is wireless. This ...