分别用二次谐波显像及彩色能量多普勒成像，观察造影前后局部损伤的位置、范围及回声。
Detecting visualization of segmental renal trauma on both second harmonic imaging(SHI)and color Doppler energy imaging(CDEI)before and after enhanced ultrasonography.
目的采用二次谐波触发显像超声造影评价急性缺血心肌血流灌注。
Objective To assess the perfusion of acute myocardial ischemia with ultrasound contrast agent by intermittent harmonic imaging.
目的采用二次谐波触发显像超声造影评价急性缺血心肌血流灌注。
Objective To assess the perfusion of acute myocardial ischemia with ultrasound contrast agent by intermittent harmonic imaging.
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