The atrioventricular node (AVN) has mystified generations of investigators over the last century and continues today to be at the epicenter of debates among anatomists, experimentalists, and ...

Having an accelerated junctional rhythm occurs when the atrioventricular node in your heart beats too quickly. It happens as a result of damage to your heart’s primary natural pacemaker. There’s no ...

Of all the bodily functions performed flawlessly without conscious intervention, the steady beat of our hearts is among the most critical. The developing heart is the earliest organ to function in the ...