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Facial nerve palsy due to birth trauma

Alternative Names: "Seventh" cranial nerve palsy due to birth trauma Symptoms: These may be observed in the newborn infant: Present immediately after birth Failure of the lower lip to pull down symmetrically while crying (typical) Failure of any movement on the affected side of the face (total involvement, unusual) Eyelid may not close on affected side Lower face (below eyes) appears asymmetrical while crying Signs and tests: Text Continues Below Physical examination is usually sufficient to diagnose this condition. Rarely, a nerve conduction study with electromyogram (NCS/EMG) is needed. The NCS/EMG tests the electrical function of the nerve and can pinpoint where the nerve was injured. Brain imaging techniques are deemed not necessary, unless a brain problem is suspected instead of a facial nerve injury.

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