Diabetic Neuropathy - Three Tests You Can Have

Many secondary diseases can develop from diabetes. One example is nerve disease or damage. This can be caused by a persons maintaining high blood sugar levels for ten years or more. Nerve damage can cause pain and feelings like electric shocks in the toes, and less commonly in the fingers. Another sign of nerve disease is loss of sensation in the toes and the soles of the feet. If nerve disease is determined to have its root in diabetes, it is called diabetic neuropathy.

One way that a nerve disorder can be diagnosed is to test a persons nerve conduction velocity (NCV). Nerve conduction velocity refers to the speed at which nervous impulses travel along a nerve fiber. If this speed is severely slowed, it means that a nerve disorder exists. Even though a persons body is experiencing slow NCV, the person may not experience any symptoms at all, for a long time. It is therefore useful to test the NCV of diabetics; neuropathy may be diagnosed in individuals who are not yet showing any signs of nerve damage. There are a few medications available to treat neuropathy, and with early diagnosis, patients can be treated so that the nerve symptoms improve.

Diabetic neuropathy occurs most frequently in persons older than 40. In addition, people who are taller than average suffer from this condition much more often than shorter people. This may be because those who are taller have longer nerve fibers, with more opportunity for damage. One more warning: if you drink alcohol, be advised that even a small amount, of any type at all, can increase and worsen the symptoms of your neuropathy.

Testing Your Nerve Function

Your doctor can test your nerve function to discover whether you have diabetic neuropathy. In the body, different nerve fibers are responsible for varying kinds of sensation (temperature, touch, light, and vibration). A doctor can test the connections between your nerves and those sensations, and then analyze his findings.

1. Testing by Vibration: A tuning fork is used in vibration testing. Doctors like to use vibration testing to discover any abnormalities of larger nerve fibers in the body.

2. Testing by Temperature: The importance of temperature testing is that it can determine whether the body's smaller nerve fibers are intact. It is vital to know the status of the small fibers, because if these are damaged, you may lose your ability to feel sensations of extremely hot temperatures (e.g., boiling water).

3. Testing by Light Touch: Doctors use a filament tool to touch the skin very lightly. Large nerve fibers in the body can sense anything touching the skin, and send signals to the brain that we're having a sensation. The filament tool can determine if any large fibers are damaged, and if so, which. Someone without any nerve damage who is in good health can feel a filament tool with only one gram of force used.

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