Low voice
Low sound is a symptom of unilateral superior laryngeal nerve injury, and the frequency range of speech is reduced, and no high pitch can be made. After the laryngeal nerve is separated from the vagus nerve, it has a shorter stroke in the neck, less damage than the recurrent laryngeal nerve, and it is generally unilateral, which is easy to damage and its outer branches.
The material in this site is intended to be of general informational use and is not intended to constitute medical advice, probable diagnosis, or recommended treatments.