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目的：探讨心电监护技术对早期预测急性心肌梗塞（ＡＭＩ）冠状动脉再通的临床价值。方法：对６５例ＡＭＩ患者使用监护仪连续监测溶栓治疗时ＳＴ段变化及心律改变情况。结果：３５例（５３．８％）ＳＴ段迅速回降，３７例（５６．９％）出现心律改变。符合冠状动脉再通的３４例中２９例（８５．３％）出现ＳＴ段迅速回降３０例（８８．２％），出现心律改变２８例（８２．４％），监测到两项心电变化指标。不符合再通条件的３１例中６例（１９．４％）出现ＳＴ段迅速回降，７例（２２．６％）出现心律改变。结论：应用心电监护技术仅以单一心电变化指标预测冠状动脉再通特异性差；以两项指标组合预测再灌注的敏感性为８２．４％，临床上可以此作为早期间接预测冠状动脉再通的重要手段之一。
Objective: To investigate the clinical value of ECG monitoring in the early prediction of recanalization of coronary artery in patients with acute myocardial infarction (AMI). Methods: Sixty-five patients with acute myocardial infarction (AMI) underwent continuous monitoring of ST segment changes and changes of cardiac rhythm during thrombolysis. Results: 35 cases (53.8%) of the ST segment decreased rapidly, and 37 cases (56.9%) had heart rhythm changes. Thirty-nine cases (85.3%) with rapid recanalization of the ST segment showed rapid regression in 30 cases (88.2%) and 28 cases (82.4%) experienced cardiac arrhythmia. Of the 34 cases Change indicator. Sixty-one cases (19.4%) of the 31 cases that did not meet the recanalization condition showed a rapid fall in the ST segment, and seven cases (22.6%) experienced cardiac rhythm changes. CONCLUSIONS: The ECG-based monitoring technique only predicts the poor specificity of coronary recanalization with a single ECG. The sensitivity of the two indexes in predicting reperfusion is 82.4%. Clinically, it can be used as an early indirect measure of coronary artery reperfusion One of the important means of communication.