Heart block is a disruption in the electrical signals that control your heart. Your heart depends on a steady flow of electrical signals that start in the heart’s upper chambers (atria). The signals ...

Less than a year after the first-ever transplant of a pig heart into a human patient, doctors are reporting that the heart showed unexpected changes in its electrical system before the recipient ...

The electrical signals inside heart muscle cells provide insights into how the heart functions, how its cells communicate and how they respond to drugs. But capturing these signals typically involves ...

Sudden cardiac arrest is a life-threatening condition in which the heart stops beating after its normal electrical signals are disrupted. Without immediate intervention, SCA can quickly become sudden ...

A recent study to be presented at the American Heart Association (AHA) Scientific Sessions 2022* revealed unexpected changes in the electrical conduction system of the first genetically-modified ...

Accurately measuring electrical signals and calcium levels in the heart can lead to earlier treatment of potentially fatal conditions, such as heart attack or congestive heart failure. Calcium plays ...

Magnesium deficiency can trigger arrhythmias and irregular heartbeats. Here are the symptoms, causes, and how magnesium supports a healthy heart rhythm. TheHealthSite.com ...

What Is the Heart Conduction System? The heart conduction system is made up of cells, nodes, and signals that help your heart to beat. In fact, the cardiac conduction system is responsible for our ...

Q: Even though my doctor told me I am pretty healthy, she ordered an electrocardiogram (ECG) to be done right in her office. Besides a heart attack, what else can ECGs show? A: Cardiac (heart) cells ...

Complete heart block means that there’s a complete separation of electrical activity between the upper and lower chambers of the heart. Without prompt medical attention, it can be fatal. Your heart ...