Signs of denervation from acute nerve injury are detected by an electromyogram 18 to 21 days after the injury, emphasizing the importance of obtaining neurologic consultation before this time.

• 急性神经损伤，在18-21天内，肌电图可以表现出组织失去神经控制的表现，说明在这个时间前获得神经内科会诊是很重要的。