Electrodiagnostic test for bilateral facial palsy
NCS | Nerve | Stimulation | Muscle | Latency (ms) | Amplitude (mV) | |
Left facial nerve | Postauricular | Orbicular oculi | 2.45 | 0.1 |
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Nasalis | 3.23 | <0.1 |
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Right facial nerve | Postauricular | Orbicular oculi | 3.07 | 0.1 |
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Nasalis | 2.60 | <0.1 |
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Blink reflex | Stimulation site | Ipsilateral R1 (ms) | Ipsilateral R2 (ms) | Contralateral R2 (ms) | ||
Left | NR |
NR |
NR |
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Right | NR |
NR |
NR |
NR: no response
*Abnormal finding