摘要
观察80名正常老年人的P向量环,并与320名20～59岁组正常人对比。发现老年人P环在额面(F)和左侧面(LS)最大向量角减小,横面(H)最大向量角负值加大,最大向左向量、最大向后向量增加。即空间P向量环向左、后上移位,向左向量增大,提示老年人左心组织结构改变,左心室顺应性下降与P向量环的改变有关。
In this paper, the author report the study of the normal P-Loops of 80old men.and comparison is made between the 80 with the 320 normal persos of 20 to 59 yearsof age. We found that the maximal frontal P vector angle and the native Pvector angle decreased. The maximal left and the posterior vector increased.That is to say the spatial P loop turned to the left and the postereased. The ch-ange of heart structure and the decrcase of the left ventrical complient may berelated with the changes of P loop.
出处
《郑州大学学报（医学版）》
CAS
1990年第1期30-33,共4页
Journal of Zhengzhou University(Medical Sciences)
关键词
老年人
心电向量图
P向量环
the normal old people
P-loop
the left ventrical
