单项选择题
A.采用乳对比剂B.静脉注射速度为2~3ml/sC.扫描平面以冠状面为主D.动脉期为注射对比剂后23~25sE.门脉期为注射对比剂后50~70s
A.1~2mmB.3~4mmC.6~7mmD.8~9mmE.10~12mm
A.检查前30minB.检查前60minC.检查前90minD.检查前120minE.检查前150min