Baroparesis (Alternobaric Facial Nerve Palsy)
Baroparesis is a reversible paralysis of the facial nerve due to pressure in the middle ear when going up in a plane or surfacing in scuba diving. The excessive pressure in the middle ear (through which the nerve passes) 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.