Objective To evaluate the value of two-dimensional ultrasound and spectral Doppler ultrasound in diagnosis of subclavian steal syndrome(SSS).

• 目的总结锁骨下动脉盗血综合征(SSS)的病因、二维超声表现、彩色多普勒及频谱多普勒特点,评价超声对此病的诊断价值。