CVS Practice Test

Question: 1 / 400

What does a positive deflection in lead V3 indicate on an EKG?

Abnormal ventricular depolarization

Normal ventricular repolarization

Normal ventricular depolarization

A positive deflection in lead V3 on an EKG indicates normal ventricular depolarization. The EKG leads provide specific views of the heart's electrical activity, and lead V3 is positioned to observe the anterior wall of the left ventricle. When a positive deflection occurs, it signifies that the electrical impulse is moving through the ventricles in a typical manner, resulting in a normal QRS complex.

This reflects proper functioning of the heart's conduction system, and the positive deflection in this lead is expected during normal heart rhythms. Correctly interpreting this can help health professionals ascertain that there are no significant issues with the heart's electrical conduction or structure, making it a relevant aspect of a comprehensive EKG analysis.

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Abnormal rhythm assessment

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