What is Myogram

Myogram is a test that is performed on our muscles to check their functionality and another name for myogram is electromyography (EMG). If there is any problem with our muscle like if our muscles are week, there is peripheral nerve damage which can be to our sensory nerves, motor nerves or autonomic nerves or there is muscle inflammation then it can be checked through EMG.

If muscle weakness if felt by any individual then exact position of affected area is find out and also the extent of damage to that particular area is determined through myogram.

When our body is performing any physical activity then healthy muscles produce electrical activity and with the contraction of muscles this activity increases. Weak muscles produce activity at a slow rate, hypersensitivity and inconsistely. If activity is hypersensitive then it is due to neurological disorder and if it is slow, inconsistent then it is myopathic disease.

In myogram testing procedure the patient is asked to bend or flex the affected area to produce electrical activity in that area then a small needle electrode is inserted into that area. After that reading of electrical activity is taken which is viewed on a monitor which is called oscilloscope then analysis and interpretation of this reading or data is done.

Prior to myogram a test named nerve conduction velocity (NCV) is done to evaluate if there is any nerve damage. If the results are abnormal then it can show blockage within nerve pathway or damage to extended segment of nerve cell.

Risks that are involved in this test are:-

Patient may feel discomfort during insertion of needle. There can be excessive bleeding at the place where needle is inserted. A condition of trauma can occur.

If readings are inaccurate then it can be diagnosis at other test such as muscle biopsies or blood tests.

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