Neurological Rehab Associates - Company Message
Medical Conditions We Treat:
-ALS                                         -Myasthenia Gravis                              
-Alzheimer's Disease              -Mylopathies/Myopathies         
-Back Pain                              -Neck Pain                       
-Bell's Palsy                             -Neuropathy                      
-Cephalic Disorders              -Parkinson's Disease             
- Vertigo                                 -Sleep Disorders  
-Dementia                                              
-Spinal Cord Injury       
-Stoke              
-Movement                       
-Multiple Sclerosis (MS) 
 
Diagnostics
Our office uses state of the art diagnostics. To learn more or prepare for certain tests, we are providing the following detailed information below:


Electromyography/EMG
What is an EMG study?
Electromyography testing, other wise known as an EMG, is a test that is used to record electrical activity of muscles. When muscles are active they produce an electrical current. This current is usually proportional to the level of the muscle activity.

EMG's can be used to detect abnormal electrical activity of muscle that occur in many diseases and conditions including muscular dystrophy, inflammation of muscles, pinched nerves, peripheral nerve damage (damage to the nerves in the arms and legs). amyotrophic lateral sclerosis (ALS), myasthenia gravis, disc herniation, and others.


Why is an EMG test done?
An EMG is often performed when patients have unexplained muscle weakness. The EMG helps to distinguish between muscle conditions in which the problem begins in the muscle and muscle weakness due to nerve disorders. The EMG can also be used to detect true weakness, as opposed to weakness from reduced use because of pain or lack of motivation. An EMG can also be used to isolate the level of nerve irritation or injury.

What other testing is done during an EMG?
A nerve conduction velocity (NCV) test is often done at the same time as an EMG. In this test the nerve is electrically stimulated while a second electrode detects the electrical impulse 'down-stream' from the first. This is usually done with surface patch electrodes that are placed on the skin over the nerve at various locations. One electrode stimulates the nerve with a very mild electrical impulse. The resulting electrical activity is recorded by the other electrodes. The distance between electrodes and the time it takes for electrical impulses to travel between electrodes are used to calculate the speed of impulse transmission (nerve conduction velocity). A decreased speed of transmission indicates nerve disease.

The NCV test can be used to detect true nerve disorders (such as neuropathy) or conditions whereby muscles are affected by nerve injury (such as carpal tunnel syndrome).

Electromyogram is a test that records the electrical activity of muscles. Normal muscles produce a typical pattern of electrical current that is usually proportional to the level of muscle activity. Disease of muscle and/or nerves can produce abnormal electromyogram patterns. (Abbreviated EMG, also know as myogram)
 
 
Videonystagmography (VNG)
What is a VNG?
VNG testing is used to determine if a vestibular (inner ear) disease may be causing a balance or dizziness problem, and is one of the only tests available today that can decipher between a unilateral (one ear) and bilateral (both ears) vestibular loss. VNG testing is a series of tests designed to document a persons ability to follow visual objects with their eyes and how well the eyes respond to information from the vestibular system. This test also addresses the functionality of each ear and if a vestibular deficit may be the cause of dizziness or balance problem.

What can be expected during a VNG?
During a VNG test a pair or inferred goggles are placed around the eyes to monitor eye movement. The inferred goggles have a camera covering one eye which records eye movements. VNG test is non-invasive and takes around 30-40 minutes to complete.

To Prepare for a VNG:
  • Do not take any dizziness medication the day of your test. You
    may bring it with you to take after.

  • Make sure your ears are clean of any wax build up for the day
    of your test.

  • ***Do not wear any eye make, including eye shadow
    or mascara. This will interfere with the camera being able to get
    proper recordings.
 
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