A single, electrical impulse that originates outside the SA node in the atria is known as:
A) premature atrial complex.
B) premature ventricular complex.
C) premature sinus complex.
D) premature antigrade complex.

Question

Quizplus · Accepted Answer

Premature atrial complex is a single electrical impulse that originates outside the SA node in the atria. Premature ventricular complex originates outside the ventricles, premature sinus complex is not a recognized term, and premature antigrade complex is not a recognized medical term.

A Single, Electrical Impulse That Originates Outside the SA Node