Objective:To compare the electrocardiographic P/ PR segment,width of P wave and P wave terminal force in lead V1(PTFV1) in evaluating the change of left ventricular structure and function in hypertensive patients.

• 目的:比较心电图Macruz值(P/PR段)和P波宽度及P波终末电势(PTFV1)对判断高血压病左室结构和功能改变的作用。