A facial palsy is weakness or paralysis of the muscles of the face. Figure 1 — The course and intracranial branches of the facial nerve. Many causative associations have been proposed, the most universally accepted theory suggests a viral originyet no conclusive evidence is available at present.
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Acute otitis media Hypertension. Facial weakness in children may be idiopathic, or caused by infection, inflammation, tumour, trauma or a vascular event. Bell's palsy is an isolated lo wer motor neuron lesion of the whole facial nerve.
Advanced Search. To present systemic approach and recognition of red flags in facial nerve paralysis. Patients with facial nerve paralysis commonly present themselves to the primary care physicians.
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NCBI Bookshelf. Dominika Dulak ; Imama A. Authors Dominika Dulak 1 ; Imama A.
Professional Reference articles are designed for health professionals to use. You may find the Bell's Palsy article more useful, or one of our other health articles. Synonym: Bell's palsy lower motor neurone facial palsy ; idiopathic facial paralysis IFP.
Facial paralysis is one of the common problem leading to facial deformation. Bell's palsy BP is defined as a lower motor neuron palsy of acute onset and idiopathic origin. BP is regarded as a benign common neurological disorder of unknown cause.
The facial motor nucleus is a collection of neurons in the brainstem that belong to the facial nerve cranial nerve VII. These lower motor neurons innervate the muscles of facial expression and the stapedius. The nucleus is situated in the caudal portion of the ventrolateral pontine tegmentum.
Look for asymmetry in facial shape or in depth of furrows such as the nasolabial fold. Also look for asymmetries in spontaneous facial expressions and blinking. Ask patient to smile, puff out their cheeks, clench their eyes tight, wrinkle their brow, and so on. Old photographs of the patient can often aid your recognition of subtle changes.