Atrioventricular node

... there is much more to be said. You need to understand that the SA node can maintain a steady rhythm of 80 beats/minute ON ITS OWN, without ... reason: there is a second self-contracting node referred to as the atrioventricular node that can maintain a rhythm of 50 contractions/minute ...

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... (or action potentials) that trigger cardiac contraction, the sinoatrial node is what normally initiates it, simply because it generates impulses ... down the heart will become the heart's pacemaker. These cells form the atrioventricular node (AV node), which is an area between the atria and ventricles, ...

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... wave of contraction starts from heart itself.there is sinu auricular node at the top of right auricle which is a small island of tissues.it starts the wave.it is also called as pace maker.the wave is picked by atrioventricular node present in between right and left auricle. it is divided ...

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