From the quantitative statistic comes the conclusion that standards for the normal cardio-vector is related with sex and age, QRS-T angle and S plane of NLS formed by V_1 and V_2 planes suggests the difference between sexes and between ages.
英
美
- 從定量統計結果推論正常心電向量標準應考慮性別、年齡的因素; 標準導聯(lián)S面、V_1,V_2面的QRS-T角集中反映了性別、年齡間的差異,因此臨床診斷時(shí)應考慮QRS-T角的演變規律。