The ventricle is depolarized through the endocardium to the myocardium, on the epicardium. QRS intricate the initial damaging deflection made by ventricular depolarization Q wave the first constructive deflection made by ventricular depolarization R wave the first damaging deflection made by the ventricular depolarization that follows the initial optimistic deflection, http://andersonomnmm.theideasblog.com/13753131/about-cna-final-exam-100-questions-and-answers