If seen, the P wave of a rhythm originating in the AV junction will appear _____ in lead II.
A) upright
B) inverted
C) tall and peaked
D) wide and notched

Question

Quizplus · Accepted Answer

If the AV junction paces the heart, the electrical impulse must travel in a backward (retrograde) direction to activate the atria. If a P wave is seen, it will be inverted in leads II, III, and aVF because the impulse is traveling away from the positive electrode.

If Seen, the P Wave of a Rhythm Originating in the AV