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很多稳定型冠心病人在日常生活中常有缺血发生,且这种缺血发生大多不伴心绞痛。50例运动试验阳性受试者(ST段压低≥0.1mV)接受了本项试验,且在下列条件中至少具有一项:(1)典型心绞痛发作史;(2)造影证实至少有一支冠脉狭窄≥75％;(3)放射性核素检查结果和运动诱发心肌缺血相一致。全部受试者在日常活动下作动态心电图记录42±6小时,并作踏车试验(同时作连续心电图记录)。A组31例发生241次ST段压低(≥0.1mV),其中伴有心绞痛的ST段压低只占6%。在ST段压低之前心率增加 27±12
Many stable coronary heart disease patients often have ischemia in their daily lives, and most of these ischemic attacks do not with angina. Fifty patients who tested positive for exercise (ST depression ≥0.1 mV) underwent this study and had at least one of the following conditions: (1) history of typical angina pectoris; (2) angiography confirmed at least one coronary artery Stenosis ≥75%; (3) radionuclide test results and exercise-induced myocardial ischemia consistent. All subjects in the daily activities of Holter recording 42 ± 6 hours, and treadmill test (also recorded as continuous ECG). A group of 31 patients with 241 ST-segment depression (≥0.1mV), of which angina pectoris ST segment depression only accounted for 6%. Heart rate increased 27 ± 12 before ST segment depression