– Classic finding in multiple sclerosis
– Lhermitte’s sign is popularly described as a shock-like sensation by MS patients
– Sudden electric-shock sensation transmitted down the spine induced by neck flexion
– This is other name for -Lhermitte’s sign
– Barber chair phenomenon, is an uncomfortable “electrical” sensation that runs through the back
and into the limbs.
– Lhermitte’s phenomenon – electric-shock sensation transmitted down the spine induced by neck
flexion
– Reverse Lhermitte’s phenomenon- symptoms are induced by neck extension, not flexion
– Reverse Lhermitte phenomenon induced by neck extension is usually produced by extrinsic
compression of the cervical spinal cord.
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