All neck turning test are positive.
转颈试验均为阳性。
Methods:A series of 49 patients with cervical spondylosis were firstly used routine TCD to test their BA and VA, and then neck-turning test were used.
方法：对49例颈椎病患者基底动脉（BA）、双椎动脉（VA）先行常规TCD检测后加做转颈试验，观察其血流速度等血流动力学变化。
Conclusion:TCD and neck-turning test were very important in the diagnosis of cervical spondylosis, and can scienticly evaluate blood condition of V-BA.
结论：TCD及转颈试验对颈椎病的诊断有十分重要的作用，并能科学地评价V-BA血流状况。
Automatic shutdown feature conserves battery life by turning test kit off after 15 minutes without pressure on the gauge.
仪表压力消失15分钟后的自动关闭功能，保护电池寿命。
Automatic shutdown feature conserves battery life by turning test kit off after 15 minutes without pressure on the gauge.
仪表压力消失15分钟后的自动关闭功能，保护电池寿命。
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