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
B
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.
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