论文部分内容阅读
心室晚电位(VLP)与室性心律失常和猝死的发生密切相关。我们共检查 VLP225例。记录导联为 X、Y、Z 三个相巨垂直的双极正交导联,然后将这三组心电信号进行矢量计算,即得到滤波后的 QRS 综合矢量。检测无心血管系疾病的健康人31名(男25名,女6名),年龄20～54岁(平均年龄22.5±9.6岁)。常规 ECG 均正常,VLP 检测无一例阳性;检测病人194名,其中陈旧性心肌梗塞56名,冠心病86名,心梗并室壁瘤7名,频发性室性早期收缩45名,VLP 阳性率分别为28.5%、4.6%、57.1%和1.8%,其中心梗并室壁瘤的 VLP 阳性率最高。我们利用多导生理记录仪的放大器经过一定改进,配接价廉的小型计算机,自行编制叠加程序,即可完成 VLP的检测技术。其检测效果完全可以达到专用 VLP 检测仪的要求和水平。
Ventricular late potential (VLP) and ventricular arrhythmia and sudden death are closely related. We examined VLP225 cases. Recording lead is X, Y, Z vertical giant bipolar orthogonal lead, and then these three sets of ECG signal vector calculation, that is filtered QRS synthesis vector. Twenty-one healthy subjects (25 males and 6 females) aged 20 to 54 years (mean age 22.5 ± 9.6 years) were tested for cardiovascular disease. Routine ECG were normal, no VLP test positive; 194 patients were detected, of which 56 were old myocardial infarction, coronary heart disease 86, myocardial infarction and aneurysm 7, 45 cases of frequent ventricular contraction, VLP positive Rates were 28.5%, 4.6%, 57.1% and 1.8%, respectively, and the highest rate of VLP was found in central infarction and aneurysm. We use the multi-channel physiological recorder amplifier through a certain improvement, with inexpensive small computer, self-compiled overlay program, you can complete VLP detection technology. Its detection effect can reach the requirement and level of special VLP detector completely.