These days having both a land line and a mobile phone seems like overkill. But Virginia Tech researchers have shown that the heart relies on at least two key communication channels to keep abnormal ...

Reentry arrhythmia occurs when electrical signals in the heart deviate from their usual path, creating a loop that causes repeated stimulation and disrupts the heart’s rhythm. Symptoms of reentry ...

The sinoatrial (SA) node is the natural pacemaker of the heart. It generates electrical impulses that cause the heart’s chambers to contract, setting the heart rate. The SA node typically generates 60 ...

Find out can ecg detect heart attack progression and learn how an electrocardiogram test identifies immediate muscle damage or silent cardiac events.

Using a technology that provides a 'high-resolution view' of the status of individual cells, a team of researchers has gained new insights into the embryonic development of the mouse heart. They ...

New research into human heart development has shed light on the way heart muscle cells contract. A correctly beating heart is vital to a baby's growth during pregnancy, helping guard against heart ...