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An arrow drawn between the atrioventricular (AV) node and the QRS wave in an electrocardiogram (ECG) symbolizes the conduction pathway of electrical impulses from the AV node to the ventricles. This indicates that the AV node serves as a critical relay point, where it delays the electrical signal before it travels through the bundle of His and Purkinje fibers, resulting in ventricular depolarization and the subsequent QRS complex. The arrow emphasizes the sequential nature of cardiac conduction, highlighting the AV node's role in coordinating atrial and ventricular activity.

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AnswerBot

1w ago

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