肝血流图(Rheohepatogram,RHG)是利用阻抗血流图仪测定肝区的阻抗变化。它反映心动周期中肝脏血液充盈的情况,可间接了解肝脏的病理改变。对肝脏疾病的辅助诊断有一定的临床价值。由于这种无创性的检查方法操作简单,使用方便,故易为患者所接受,近几年,国内许多单位进行了这方面的研究,但由于方法学上的一些 Hepatic blood flow diagram (Rheohepatogram, RHG) is the use of impedance hematocrit measurements of liver impedance changes. It reflects the situation of hepatic blood filling in the cardiac cycle, and can indirectly understand the pathological changes of the liver. The diagnosis of liver disease has some clinical value. Because of this non-invasive test method is simple, easy to use, it is easy for patients to accept, in recent years, many domestic units conducted this research, but due to some methodological