动脉性充血（arterial hyperemia）又称主动性充血（active hyperemia），简称充血。一般指器官或局部组织细动脉血输入量增多。
结果高血压病患者肱动脉充血后内径变化率显著低于健康者。
Results The FMD of patients with hypertension was significantly decreased compared with that of healthy people.
动脉越灵活，就能够在填充血液和推动血液流动的时候更好的扩张和收缩。
The more flexible an artery, the better able it is to expand as it fills with blood and contract as it pushes blood farther down the line.
应用彩色多普勒对四组之间的肱动脉进行检测，观察静息状态下、反应性充血后及含服硝酸甘油后的内径变化。
The diameter of the brachial artery was measured by color Doppler ultrasound at rest, after reaction hyperemia and after sublingual nitroglycerin administration respectively.
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