Objective To explore the acoustic imaging window and ultrasonic examination method. of gastroduodenal artery (GDA) and common heptic artery (CHA), to observe the effect of food ingestion on blood flow dynamics of GDA and CHA.

• 目的 探讨胃十二指肠动脉 (GDA)、肝总动脉 (CHA)的检查方法 ,观察进食对GDA、CHA血流参数的变化。