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失血性休克时体内区域性血流量可出现一系列复杂的变化,探测这些变化,对于阐明休克的发病原理,抗休克的药物筛选,休克的临床监护以及休克的教学实验均具有重要意义。目前常用的探测血流量的方法有气泡流量计、转子流量计、热电流量计、电磁流量计、多普勒超声流量计等。我们则利用电阻抗图法观察了失血性休克的区域性血流量改变。此方法所需设备简单,操作方便,能连续观察,既可在器官体表投影区探测,也可在实验动物或手术患者器官上记录。
Hemorrhagic shock in vivo regional blood flow can occur a series of complex changes, to detect these changes, to clarify the pathogenesis of shock, anti-shock drug screening, shock clinical monitoring and teaching experiments in shock are of great significance. The commonly used methods to detect blood flow are bubble flowmeter, rotor flowmeter, thermoelectric flowmeter, electromagnetic flowmeter, Doppler ultrasonic flowmeter. We observed the change of regional blood flow in hemorrhagic shock by using impedance spectroscopy. This method requires equipment is simple, easy to operate, can be observed continuously, both in the body surface projection area detection, but also in experimental animals or surgical patients recorded on the organ.