Detection of tumor bloodflow within the spectrum, recorded peak systolic velocity (PSV) and resistance index (RI).
检测肿瘤内部的血流频谱，记录收缩期峰值流速(PSV)和阻力指数(RI)。
2
Objective To explore the influence of perfusion pressure, blood concentration and bloodflowvelocity on myocardial ultrasonic backscatter integration.
目的探讨心脏灌注压、血液浓度和血流速度对组织背向散射强度的影响。
3
Through solving the bloodflow equations for local vessel expansion region, the analytical expressions of bloodflowvelocity, pressure and wall shear stress were then obtained.