The term bradycardia refers to an abnormally slow heart rate, of under 60 beats per minute (bpm). The heart has a complex system of nerves that conduct the electrical impulses fired by the sino-atrial ...

The heart rate is the number of times the heart beats per unit of time. There are several abnormalities of this rate and rhythm. This is a term that describes different conditions in which the heart ...

Adam Taylor is affiliated with the Anatomical Society. Your heart beats around 60 times a minute, delivering nutrients and removing waste from every cell in your body. It has been doing this since you ...

A first-degree AV node block occurs when conduction through the AV node is slowed, thus delaying the time it takes for the action potential to travel from the SA node, through the AV node, and to the ...