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Definition of Baroparesis

Baroparesis: Reversible paralysis of the facial nerve due to pressure in the middle ear going up in a plane or surfacing in scuba diving. The excessive pressure in the middle ear compresses the facial nerve and causes temporary paralysis. After landing in a plane or surfacing in scuba diving, the ear pressure returns to normal and the nerve paralysis subsides. Also called alternobaric facial nerve palsy.

Source: MedTerms™ Medical Dictionary
http://www.medicinenet.com/script/main/art.asp?articlekey=20496
Last Editorial Review: 6/14/2012

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