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What Is The Differences Between Sinoatrial And Atrioventricular Node
Brakes: This is specialized conduction tissue between the atria (upper chambers) and ventricles. The normal heart beat arises from the atria an passes through this node to the ventricles to stimulate contraction. If something goes awry in the atria causing a very rapid heart rate, the AV node will prevent some of these impulse from getting through, limiting how fast your heart will beat in response. ...Read more
Modulate impulses: The AV node is electrical tissue that separates the upper from the lower chambers of your heart. On an ECG, it relates to the PR segment. The AV node slows impulses briefly from the top to the lower chambers of the heart and prevents very rapid upper heart beats from causing dangerous fast heart beating of the major lower chambers of the heart. Blockage of AV node (ablation) stops impulses. ...Read more
No: There are some genetic conditions associated with heart block, some associated with deafness. In these cases, the heart block is permanent. If your heart block is transitory, it may be related to some medications you are taking (if any) or underlying conditions, depending on your age. You should see a doctor to determine if further tests or treatments (e.g. Pacemaker) are needed. ...Read more
Unknown: The heart is a very complex organ. We still do not fully understand how the normal heart develops in the fetus. We understand even less about what causes the heart to develop abnormally. It is likely that there are multiple genetic and environmental factors that contribute to abnormal cardiac development. ...Read more
AV block: Fatigue is typical of complete av block, common with second degree av block and unusual with first degree av block. ...Read more
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