Electromyography (EMG) is a type of imaging used to confirm ... to rule out whether there are sources of pressure on the facial nerve, such as a tumor or skull fracture, that could be causing ...

However, HFS is often attributable to an irritation or a compression of the facial nerve by a blood vessel as it exits from the brainstem and is the most common peripherally induced movement disorder ...

Dr. Justin Grant, DO, a fellowship-trained sports medicine provider at Colorado Advanced Orthopedics (CAO), is certified in nerve conduction study (NCS) and needle electromyography (EMG).