一患者大腿、小腿和踝部收缩压与上肢收缩压相比明显降低。但整个下肢血压相差不大,此时应进行的检查是
A. 整个下肢的多普勒显像
B. 髂血管的多普勒显像
C.运动测试
D.颈动脉的多普勒显像
E.胭动脉多普勒显像
查看答案
应用彩色多普勒技术检查颅内血管,最佳探头频率是()
A. 2.0MHz
B. 2.5
C. 3.0
D. 3.5
E. 4.0
What will the tourists do after they return to Beijing Either for departure home or for ()
44()
A. how
B. which
C. why
D. what
Vietnamese people may end the sad story with a smile to ()
A. show affection
B. disguise emotional pain
C. covey politeness
D. show happiness