It has the following clinical manifestations: a stiff neck, numb limbs, feeling dizzy and disgusted, deaf and ringing in the ears, a blurred sight, a feel of fluster and suffocation, etc.

• 它的临床表现有颈部僵硬、肢体麻木、头晕恶心、耳鸣耳聋、视物不清、心慌胸闷等。