We have demonstrated that overexpression of an inhibitory component of the β-adrenergic signaling pathway suppresses AV nodal conduction ... can modify the cardiac electrical substrate implicated ...

Heart attacks and cardiac arrest differ in causes, symptoms, and treatments. Learn how recognizing these emergencies improves ...

Medically reviewed by Christopher Lee, MD Having high blood pressure but a low pulse rate can be a sign of a more serious underlying health condition, such as a heart problem. Your blood pressure is ...

An electrocardiogram is a picture of the electrical conduction of the heart. By examining changes from normal on the ECG, clinicians can identify a multitude of cardiac disease processes.

“Cardiac conduction disease ... An arrhythmia is an abnormal heart rate that occurs when the electrical signals that tell the heart to beat aren’t functioning properly. This may result ...

According to a statement by the European Society of Cardiology, the most common heart rhythm disorder, atrial fibrillation, ...

in 3 people worldwide will develop a potentially life-threatening heart rhythm disorder in their lifetime, yet awareness remains critically low ...