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目的观察室性并行心律发生时的心电散点图的变化特征,并探讨其临床诊断意义。方法选择13例诊断为室性并行心律患者,回顾分析患者的心电散点图,与13例正常窦性心律及单纯室性早搏患者的心电散点图进行对比分析。结果窦性心律时,偶联点对称分布于45度角线上,呈棒球拍状;单纯室性早搏散点图呈特征性四分布或五分布;室性并行心律图形为沿垂直于45度线的四分布图形,室性早搏的早搏点集垂直于45度线,早搏的前点、后点集分别垂直于X、Y轴;三组数据间B线斜率两组间分别比对,差异有显著性(p<0.001)。结论 与正常窦律伴单纯室性早搏心电散点图比较,室性并行心律的心电散点图具有显著的特征性。
Objective To observe the changes of ECG scattergram during the occurrence of ventricular arrhythmia, and to explore its clinical significance. Methods Thirteen patients with ventricular arrhythmia were retrospectively analyzed. The scattergram of electrocardiogram was retrospectively analyzed and compared with those of 13 patients with normal sinus rhythm and simple ventricular premature beat. Results Sinus rhythm, the coupling point symmetry distribution in the 45-degree angle, was a baseball bat shape; simple premature ventricular scatter plot was characterized by four or five distribution; ventricular parallel heart rate graph is perpendicular to 45 degrees Line of the four distribution patterns, premature ventricular premature beats point set perpendicular to the 45-degree line, the pre-stroke point, after the point set perpendicular to the X, Y-axis; three sets of data between the slope of the B line were compared between the two groups, the difference Significant (p <0.001). Conclusion Compared with normal sinus rhythm with simple premature ventricular tachycardia scatter plot, ventricular tachycardia ECG scatter plot has a significant characteristic.