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应用脉冲多普勒超声心动图测定酚妥拉明治疗前、后急性左心衰竭患儿的左室血流参数。结果显示:酚妥拉明能够改善左室射血功能而对左室充盈无明显影响
Pulmonary Doppler echocardiography was used to measure left ventricular blood flow parameters in children with acute left heart failure before and after phentolamine treatment. The results showed that: phentolamine can improve left ventricular ejection function without significant effect on left ventricular filling