The direction of the "P" wave in a junctional rhythm most often has a(n) ________ deflection from the isoelectric line.
A) positive
B) negative
C) neutral
D) antigrade

Question

Quizplus · Accepted Answer

In a junctional rhythm, the P wave is often inverted or has a negative deflection from the isoelectric line. This is because the impulse for the P wave is initiated from the AV node, which is located below the atria and therefore produces a retrograde depolarization of the atria.

The Direction of the "P" Wave in a Junctional Rhythm