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心绞痛病人动态心电图监护时.常发生无症状的ST段和/或T波改变,然而,与无症状的心肌缺血有关的这种改变解释似有争论。作者观察了不稳定心绞痛病人血管痉挛引起的无症状ST段抬高或压低及T波改变,常常有严重的左右心室功能损害,有类似于心绞痛发作时的心电图改变,在无症状ST段和T波改变发作时,冠状窦氧饱和度立即下
Asymptomatic ST-segment and / or T-wave changes often occur during ambulatory electrocardiographic monitoring in patients with angina, however, there is controversy about this explanation of changes associated with asymptomatic myocardial ischemia. The authors observed asymptomatic ST segment elevation or depression caused by vasospasm in unstable angina patients and often had severe left ventricular and left ventricular dysfunction with ECG changes similar to angina pectoris. In asymptomatic ST-segment and T Wave change attack, coronary sinus oxygen saturation immediately