尼泊尔健康成年女性常规肢体导联心电图的向量分析

R. Prajapati, Neebha Amatya, Rajab Rana Magar, Ripti Shrestha
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摘要

导读:心电图解释在心脏疾病患者的初步评估中起着至关重要的作用。心矢量度的评估是心电图研究的重要参数之一。方法:采用前瞻性横断面研究,于2021年10月1日至11月1日对尼泊尔博卡拉甘达基医学院教学医院和研究中心的学生和工作人员等84名年龄在18- 40岁的女性进行了为期一个月的研究。使用标准心电图机,用常规肢体导联记录心电图。利用铅- i和铅- iii的QRS络合物的净电压绘制心脏的单个平均电轴。分析了心脏矢量与身高、体重、BSA、BMI等生理指标之间可能存在的相关性。数据采用SPSS version 27进行分析。结果:健康女性正常电轴平均值为61.7±23.51°。心矢量与身高呈显著正相关(p< 0.05),与体重、BMI呈显著负相关(p< 0.01)。但与BSA无显著相关性。在我们的研究中,我们观察到84名女性受试者左轴心脏矢量最大为-2°,右轴最大为98°。结论:采用标准双极肢体导联对正常健康女性进行了心脏载体的记录。BMI与心脏矢量偏离呈负相关关系。这一观察结果可以使其在临床实践中非常有吸引力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Vectorial analysis of the electrocardiogram from conventional limb leads in healthy adult Nepalese females
Introduction: ECG interpretation plays a vital role in the initial evaluation of patients presenting with cardiac complaints. Assessment of degree of cardiac vector is one of the important parameters to be studied in ECG. Methods: A prospective cross-sectional study was carried out among 84 female subjects, aged 18- 40 years of age, including students and staff of Gandaki Medical College Teaching hospital and Research Center, Pokhara, Nepal over a period of one month from 1st Oct to 1st Nov 2021. A Standard ECG machine was used and the ECG was recorded using the conventional limb leads. The individual mean electrical axis of the heart was plotted using the net voltage of QRS complex of Lead-I and Lead-III. The possible correlation between cardiac vector and physical measurements like height weight BSA and BMI were analyzed. The data were analyzed in SPSS version 27. Results: The normal mean electrical axis of the healthy female subjects was observed as 61.7±23.51°. There was a significant positive correlation of cardiac vector with height (p< 0.05), whereas a negative correlation was observed with weight and BMI (p< 0.01). However, there was no significant correlation with BSA. In our study, we observed the maximum left axis cardiac vector as -2° and right axis as 98° among 84 female subjects. Conclusion: Documentation of cardiac vector was made using standard bipolar limb leads in normal healthy female subjects.  BMI is involved in the deviation of cardiac vector with a negative correlation. This observation could make it quite attractive for use in clinical practice.
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