if the SA node no longer is functional than the AV node will take over giving the hear a slower heart beat
The sinoatrial node is known as the pacemaker of the heart.
The sinoatrial, or SA, node is known as the pacemaker of the heart. There are other potential pacemakers if the SA node fails, but it is the main pacemaker.
No, the purkinje fiber is not the natural pacemaker. The sinoatrial node (SA node) is the natural pacemaker of the heart.
No, it is the SAN (sinoatrial node)
The heart's "pacemaker" is the SA (sinoatrial) node.
The sinoatrial node is considered the pacemaker of the heart.
sinus node
... pacemaker.
SA node (Sinus Node)
The SA Node.
The primary pacemaker of a normal healthy heart is the sinus node (or SA node). It is located in the right atria of the heart.
av node