The paralysis of vocal cords occurs when the nerve impulses to the voice box are interrupted. As a result of this blockage the paralysis of muscle of vocal cords takes place. The paralysis can affect the ability to speak and sometimes even breathe.
Vocal cords besides producing sounds also prevent food, water, and saliva from entering the windpipe which can lead to a choke.
There are several causes of vocal cord paralysis like damage to the nerves during a surgery and some types of cancers. Vocal cord paralysis can also occur as a result of a viral infection or a neurological disorder.
The vocal cords are basically two flexible bands of muscle tissue which are placed at the beginning of the windpipe. While a person speaks the bands combine and vibrate together to produce a sound. And, when a person does not speak the vocal cords rest in an open position and help in breathing.
In major cases of vocal cord paralysis, only one vocal is affected. In case both the cords are affected the person may face vocal difficulties and some problems with breathing and swallowing down food and water.
The signs and symptoms of vocal cord paralysis include:
The muscle paralysis is a result of disturbed nerve impulses reaching the voice box. Although health care providers are not sure of the causes, the probable reason behind the paralysis could be:
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