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jueves, 25 de febrero de 2016

Bell´s palsy

emDocs - February 24, 2016 - Authors: Long D and Long B
Edited by: Koyfman A and Alerhand S
Summary
"Bell’s palsy is an idiopathic paralysis of the facial nerve and is the most common cause of lower motor neuron facial palsy. It is unilateral and acute in onset, progressing over a period of hours and reaching maximal intensity within several days. The signs and symptoms can be traced to the various functions of the facial nerve. Involvement of the forehead can be used as a baseline in differentiating lower versus upper motor neuron involvement. When evaluating BP, any features concerning for an intracranial process such as a tumor or stroke warrant further consideration. There are no tests for diagnosing BP, and the diagnosis is one of exclusion. Careful history and examination are paramount. Treatment consists of prednisone 60-80 mg per day for one week. In addition, eye care in patients with BP must be a priority. The prognosis of BP is excellent, with 85% of patients regaining function within three weeks."