论文部分内容阅读
生理学术语。心肌内冠状动脉阻力血管最大程度扩张时冠状动脉内的血流量与静息状态下冠状动脉血流量的比值。为达到冠状动脉最大程度扩张 ,要使用血管扩张剂 ,偶可作运动试验。该指标用于评价冠状动脉微循环的状况下及心肌外冠状动脉狭窄对心肌灌注的影响。若评价使用血管扩张
Physiological terms. The ratio of coronary blood flow to resting coronary blood flow in the maximal expansion of intracoronary coronary resistance vessels. In order to achieve maximum expansion of the coronary artery, to use vasodilators, even for exercise test. This index is used to assess the effects of coronary microcirculation and myocardial infarction on myocardial perfusion. If the assessment of the use of vasodilation