In order for the heart to do its work of pumping oxygen-rich blood to the body, it needs a trigger or electrical impulse to generate a heartbeat. This electrical impulse originates from the sinus node ...

Weight management is beneficial to heart health, but losing weight too quickly may cause cardiac problems, such as arrhythmias. Researchers are still trying to learn more. Weight loss is a common ...

An arrhythmia is a heart rhythm that is irregular, too fast, or too slow. Transient idiopathic arrhythmia is a type of temporary irregular heart rhythm that does not have a cause doctors can identify.

An electrophysiology (EP) procedure helps doctors evaluate the electrical activity of the heart, facilitating the diagnosis of arrhythmias and other rhythm changes. During an EP procedure, doctors may ...

What is atrial fibrillation, and why has Apple decided that it’s worth screening for it? The first question is much easier to answer, so let’s get that out of the way. Your heart has four chambers, ...