In the precordial leads,V₁'s QRS complex
A)should be a primarily negative deflection.
B)should be a primarily positive deflection.
C)should be isoelectric.
D)represents atrial depolarization.

Question

Quizplus · Accepted Answer

The QRS complex in lead V₁ is typically a primarily negative deflection because this lead views the heart from the right side, and the main vector of ventricular depolarization is directed away from this lead towards the left side of the heart.

In the Precordial Leads,V₁'s QRS Complex