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目的观察静息心电图T波异常对诊断冠心病的价值。方法将符合条件的78例冠心病患者分为T波倒置组和T波低平组,各组内根据心电图T波倒置或低平所在的导联,再分为两个亚组:局限导联组(T波倒置或低平位于胸导联或肢体导联)和广泛导联组(T波倒置或低平位于肢体及胸导联),对所有患者均行冠状动脉造影。观察每组患者的冠状动脉造影结果。结果 T波倒置者,83.78%造影诊断为冠心病;T波低平者48.78%造影诊断为冠心病。局限导联的T波低平者68.4%造影诊断为冠心病。广泛导联T波倒置者,造影诊断为冠心病者的比例较高,占87.5%。结论心电图T波倒置的最常见的原因仍然为冠心病;T波低平的患者也将近一半为冠心病;而且T波于广泛导联低平者,冠心病的可能性更小。
Objective To observe the value of resting T wave abnormalities in diagnosing coronary heart disease. Methods A total of 78 patients with coronary heart disease were divided into T-wave inversion group and T-wave low-level group. Each group was divided into two sub-groups according to the lead of T-wave inversion or low-level electrocardiogram: Group (T-wave inversion or low-lying in the chest lead or limb lead) and the extensive lead group (T-wave inversion or low-lying in the limb and chest lead), all patients underwent coronary angiography. Coronary angiography was observed in each group of patients. Results T wave inversion, 83.78% angiography diagnosis of coronary heart disease; T wave hypotension were 48.78% angiography diagnosis of coronary heart disease. T lead wave of the lead is flat, 68.4% angiography diagnosis of coronary heart disease. A wide range of lead T wave inversion, angiography diagnosis of coronary heart disease were higher, accounting for 87.5%. Conclusions The most common cause of T wave inversion in ECG is still coronary heart disease; nearly half of patients with T wave low level are coronary heart disease; and T wave is less likely to have coronary angiography in patients with extensive lead low level.