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Wednesday, April 25, 2018
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ElectroMyoGraphy (EMG) & Nerve Conduction Studies (NCS) Minimize

Our body is an electrical generator. Nerve and muscles create electrical signals that deliver messages to and from the brain. Sensory nerve fibers deliver information about our surroundings to the brain. Motor nerve fibers deliver signals from the brain to activate muscles to function.

Injuries or diseases that affect nerves and muscles may slow or halt the function of these electrical signals and their transmission.

 

What to expect during EMG/NCS Minimize

Nerve Conduction Studies (NCS) are the essential part of electrodiagnostic test. During NCS, special surface recording electrodes are taped over the skin in various places along the nerve pathway and the muscles. Then a small amount of active electrical charge will be delivered to the nerve to determine how it will travel to the recording electrodes and the response will be analyzed and displayed in a computerized system.

You may initially be startles by the suddenness of the stimulation, it is not painful and most people are comfortable during the testing procedure. The electrical charge is similar to one perceived when you touch the doorknob after walking across carpeting.

By stimulating the nerves at various places in upper limbs or lower limbs, we can determine the specific site of injury or disease. If there is a problem with nerves, then we might see slowing or weak responses.

 

ElectroMyoGraphy (EMG) is the recording and analysis of the electrical activity of muscle fibers. It is used to study by their unique sound and characteristic shapes to determine how our spinal nerve roots or indivisual nerves function by studying the muscles in hands, arms, feet and legs.

During EMG study, a small, thin, disposable & sterile probe us placed inside of the muscle which you might need some pin-prick feeling or discomfort similar to acupuncture needle. You will be asked to gently move your muscles. When the probe is removed, you may experience some soreness and bruising, but this will disappear.

 

Please do not put any lotions or creams on the day of test and do not wear jewelry, because the special electrodes will be placed around your fingers, toes, hands, wrists, elbows, feet and ankles, knees depending on the type of study.

 


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