Laryngeal electromyography is an important diagnosis and therapeutic tool.
Most commonly the laryngeal electromyography guide the hand of the botulinun toxin injector into the adductors and the abductors muscles of the vocal cords in the treatment of spasmodic dysphonia and of breathing laryngeal dystonia.
It’s also an important diagnostic tool for inspirational stridor to distinguish between a spasm of the adductor muscles and a paralysis of the abductor muscles.
The ENT surgeons use it to distinguish between mechanical fixation (normal EMG pattern) and vocal fold paralysis (abnormal LEMG pattern due to damaged nerves) and plan appropriate therapy in an early stage, about 10-14 days after vocal fold movement reduction occurrence.
A website has been developed to promote and to teach this technique