Superior Laryngeal Nerve Paralysis

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Superior Laryngeal Paralysis Video (31 sec)

Paralysis of the Left
Superior Laryngeal Nerve
(Note the larynx is shifted to the right)

Mobile Devices
& Computers

MP4 & WebM-1024 Kbps

MP4 & WebM-512 Kbps

Computers

Flash-1024 Kbps

Flash-512 Kbps

Flash-216 Kbps

WMV-46 Kbps

This video shows the function of a larynx with a left superior laryngeal nerve paralysis. This paralysis usually does not significantly affect the speaking voice but often affects singing. In this patient, the speaking voice is affected. Note that the loss of the function of the left cricothyroid muscle results in the shifting of the supraglottis to the right and a shortening of the right true vocal cord.

Play to Hear Patient's Voice: