趺阳脉与关脉相比,脉位比关脉浅,而脉势强于关脉。趺阳脉的灌注时间较长,血管灌注速度较快。
Compared with the Guan pulse, the pulse position of arteria dorsalis pedis is lower and strength is stronger, the filling time is longer and filling velocity is quicker.
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。
Objective To explore the influence of perfusion pressure, blood concentration and blood flow velocity on myocardial ultrasonic backscatter integration.
结论视网膜静脉阻塞病人的视网膜中央动脉血流变化特点为血流速度、血管充盈强度减低,远端组织血流灌注不良。
Conclusion The hemodynamic features of central retinal arteries in patients with retinal vein occlusion are low blood flow velocity, low vessel filling intensity and poor distal tissue blood filling.
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