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The cardiac rhythm is established by the sinoatrial (SA) node, which is the heart's natural pacemaker. The SA node generates electrical impulses that travel through the heart, coordinating the contraction and relaxation of the heart muscle to create a regular heartbeat.

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1y ago

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Related Questions

What converts cardiac arrhythmia into normal sinus rhythm?

defibrillators


What is the most common rhythm following cardiac arrest?

ventricular fibrillation


A twitching of the cardiac muscle that is not in a sustained rhythm is called a?

murmer or fibrillation


What cardiac rhythm disturbance frequently associated with CHF?

atrial fibrillation


For which cardiac rhythm and other problems is CPR required?

The two most common heart rhythms that require CPR is ventricular tachycardia and ventricular fibrillation. Ventricular tachycardia is an extremely rapid cardiac rhythm and ventricular fibrillation is an abnormal cardiac rhythm. For an adult, if the person is unconscious and not breathing, CPR is required. There are numerous reasons an adult would be unconscious and not breathing; all require CPR.


Externally shocks the heart to restore a normal cardiac rhythm?

A defibrillator device can accomlish this.


What does a defibrilator do?

It produces an electrical impulse used to restart the hearts' rhythm after a cardiac arrest.


What is the medical term for cardiac arrhythmia?

Cardiac arrhythmia refers to abnormal heart rhythm, as measured with an ECG. A "normal" rhythms is called a "Sinus Rhythm", as it originates in the Sinoatrial node of the heart. Any rhythm that originates elsewhere, or deviates from what is considered "normal" is an arrhythmia. There are many types of arrhythmia. On a cardiac monitor, if we see beats that are abnormal, we call the ectopy, or ectopic beats. But as far as a "term for arrhythmia"... that's the term: Arrhythmia.


Normal cardiac rhythm is determined by what?

The sinoatrial node is the pacemaker of the heart and determines the normal rhythm.Sinoatrial Node


What is designed for the use of non professionals externally shocks the heart to restore a normal cardiac rhythm?

defibrillator


Does the heart beat without extrinsic stimulation from the autonomic nervous system?

Yes. The cardiac muscle beats with an intrinsic rhythm. This permits the heart to beat without extrinsic stimulation. The heart begins its rhythm and continues its rhythm, basically until something interrupts it. Interconnecting cardiac muscle tissue which is specially designed to continue the rhythm of the heart's contraction creates the heart's system of conduction. These strands of cardiac muscle tissue keep the heart beating in the rhythm that it begins with without interruption through coordinating action. The cardiac cycle refers to the process which fills and empties the individual chambers of the heart. The system of the heart's conduction enables this cycle to continue without interruption.


For what reasons is an emergency thoracotomy performed?

to control injury-related bleeding from the heart, cardiac compressions to restore a normal heart rhythm, or to relieve pressure on the heart caused by cardiac tamponade