(1) incomplete unilateral paralysis: The main obstacle for the vocal outreach, Not significantly more symptoms. Under indirect laryngoscopy see side of the center line of recent announcements Habitat, when not inspiratory outreach, pronunciation can be closed when the vocal cords.
(B) complete unilateral paralysis: outreach and vocal side to function within disappeared. Check see announcements in the next fixed in place, the arytenoid cartilage forward, vocal than the contralateral side low voice announcements when not closed, unable to voice hoarse.
(C) bilateral incomplete paralysis: rare, more jets for thyroid surgery or trauma induced. Announcements on both sides of outreach and can be near each other in the middle, a small fissure - glottis, patients can be asymptomatic calm, but in the sense of physical activity often breathing difficulties. Once upper respiratory infection can be serious breathing difficulties.
(4) Bilateral complete paralysis: Bilateral vocal Habitat adjacent median, we can not close, nor outreach, unable hoarse voice, the general respiratory normal, but food, saliva easy INHALED lower respiratory tract, cause choking.
(5) the resumption of bilateral vocal cord paralysis: was particularly prevalent in the functional Aphonia, pronunciation, the vocal cords can not close, but cough audio
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