A nerve conduction velocity (NCV) test — also called a nerve conduction study (NCS) — is a measurement of the speed at which an electrical impulse moves through your nerve. NCV can determine nerve damage.
During the test, your nerve is stimulated, usually with surface electrode patches attached to your skin. Two electrodes are placed on the skin over your nerve. One electrode stimulates your nerve with a very mild electrical impulse and the other electrode records it. The resulting electrical activity is recorded by another electrode. This is repeated for each nerve being tested.
The NCV (speed) is then calculated by measuring the distance between electrodes and the time it takes for electrical impulses to travel between electrodes.
A related procedure that may be performed is an electromyography (EMG). This measures the electrical activity in your muscles and is often performed at the same time as an NCV. Both procedures help to detect the presence, location, and extent of diseases that damage the nerves and muscles.
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Neurology:
Your nervous system one of the most mysterious and complex entities known to man, and the diseases that affect can be just as perplexing.
At the Neomedicine Institute psychology plays a role in pain management for treating chronic pain effectively. To allow a proper diagnosis comprehensive evaluations are performed to measure various symptoms and functioning abilities that may have changed resulting from injuries or illness. Injuries such as a concussion or spinal cord injury and any medical illness being a stroke, diabetes or chronic pain conditions.
Electromyography is an electrical recording of muscle activity that aids in the diagnosis of neuromuscular disease. Muscles are stimulated by signals from nerve cells called motor neurons. This stimulation causes electrical activity in the muscle, which in turn causes contraction. A needle electrode inserted into the muscle and connected to a recording device detects this electrical activity. EMG can determine whether a particular muscle is responding appropriately to stimulation, and whether a muscle remains inactive when not stimulated.
EMG is performed most often to help diagnose different diseases causing weakness. Although EMG is a test of the motor system, it may help identify abnormalities of nerves or spinal nerve roots that may be associated with pain or numbness. Other symptoms for which EMG may be useful include numbness, atrophy, stiffness, fasciculation, cramp, deformity, and spasticity. EMG results can help determine whether symptoms are due to a muscle disease, or a neurological disorder and when combined with clinical findings allows a confident diagnosis.
At the Neomedicine Institute psychology plays a role in pain management for treating chronic pain effectively. Neuropsychology is a specialty of psychology that is concerned with how the brain and the rest of the nervous system influence a person’s cognition, emotions and behaviors. Specifically, neuropsychologists examine the functions of the brain, such as attention, executive functioning, and memory – all of which can be affected with a concussion.
Neuropsychologist provide comprehensive evaluations to measure various symptoms and functioning abilities that may have changed resulting from injuries or illness. Injuries such as a concussion or spinal cord injury and any medical illness being a stroke, diabetes or chronic pain conditions.
