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BACKGROUND
The nerve conduction velocity is one of the major aspects of nerve conduction studies and is the speed at which the electrical impulses pass down the neural pathway. The conduction velocity is affected by numerous factors namely age, sex, height, hand conditions and numerous medical conditions. The conduction velocity depends on the axon’s diameter and the myelination of neurons. The speed is faster than the speed of the blood flow in the body. These studies help in diagnosing the nerve damage and the severity of nerve damage.1
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REQUIREMENTS
Subjects: Human
Apparatus: Electrodes
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PROCEDURE
The subject is in lying down position and two electrodes are attached to the subject’s skin over the ulnar nerve. The nerve is stimulated with electrical impulses in one electrode and the other electrode records the impulses. There is a time gap between the electrical impulse generation by on electrode and the picking up of the impulse by another electrode. This delay is known as latency. The distance between the stimulating electrode and receiving electrode is divided by impulse latency which results in conduction velocity.1
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CONCLUSION
This helps in the diagnosis of numerous medical conditions like amyotropic lateral sclerosis, carpal tunnel syndrome, Guillian Barre Syndrome, Lambert-Eaton myasthenic syndrome, peripheral diabetic neuropathy.1
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REFERENCES
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https://en.wikipedia.org/wiki/Nerve_conduction_velocity. Accessed on 25 July 2018
