ARRHYTHMIA TREATMENT

The heart, often seen as a simple pump, has a secret. It uses its own chemical messengers to send signals. These messengers, like tiny brain-like signals, help control the heart's rhythm. Scientists have known about similar systems in the brain for a long time. But the heart? That's a newer discovery. These messengers are part of a system called endogenous transmitt...

A hundred years ago, Willem Einthoven changed the way we understand our hearts. He was awarded the Nobel Prize for figuring out how to read the heart's electrical signals, a process we now call electrocardiography. This method lets us see the heart's activity on the body's surface, which is pretty amazing when you think about it. Einthoven's work didn't stop at just...