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The normal heartbeat begins as an electrical impulse in the sino-atrial node (or SA node). The SA node is called the pacemaker of the heart. It is located in the R atrium, just below the entrance of the superior vena cava.

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15y ago
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12y ago

Sinoatrial node; located in the right atrium.

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12y ago

sinoatrial node

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Q: Where does the spark that begins your heartbeat originate?
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Related questions

An episode that begins and ends abruptly during which there is a very rapid and regular heartbeat that originate in the atrium?

Paroxysmal Atrial Tachycardia (PAT)


Where do action potentials associated with heartbeat regulation originate?

the action potentials associated with heartbeat regulation originate in the SA node, I believe it is in somewhere in the wall of the right atrium of the heart


A heartbeat begins with an impulse from the?

In the Sinoatrial Node


Tissue in the right atrium wall that begins the heartbeat?

Bundle of His .


What compound word begins with hear?

One compound word that begins with "hear" is "heartbeat."


Each normal heartbeat in initiated by the?

Each heartbeat begins with an action potential generated at the sinoatrial node or simple call the SAnode.


What is the structure that begins the heartbeat?

The sinoatrial(SA) node located in the right atrium.


Sensitive tissue in the right atrium that begins the heartbeat?

Pacemaker (sinoatrial node)


What is the pacemaker of the heart that begins the heartbeat?

The SA node begins the heartbeat and is sometimes referred to as the heart's pacemaker. The AV node are where the electrical impulses are delayed for 0.1 second before spreading to both ventricles and causing them to contract.


The electrical initiation of a heartbeat begins in the chamber wall?

Right Atrium chamber wall.


What happens in enhanced external counterpulsation?

The electrocardiogram indicates when each heartbeat begins, triggering the cuffs to be mechanically deflated. As each heartbeat ends, the cuffs are mechanically inflated


The blank nodeor pacemakerofthe heart initiates theelectrical impulsethe begins each heartbeat?

sinoatrial