Diagnosing muscular and nerve conditions

Diagnosing muscular and nerve conditions

The Electrodiagnosis (EDX) method, which involves Electromyography (EMG) and Nerve Conduction Studies (NCS), is utilized to diagnose muscular and nerve conditions.

EMG is a tool utilized in electrodiagnosis to assist in the diagnosis of muscular and nerve conditions and to detect abnormalities in nerve conduction. It aids in the accurate and precise treatment of conditions such as numbness in hands and feet, muscle weakness, and soft muscle tone.

So, what exactly is an EMG machine, and what are its principles and methods of operation? In general, the Electrodiagnosis method, which involves the utilization of electrical knowledge, is used to diagnose illnesses, and typically has three distinct examination techniques.

1. The Nerve Conduction Study is a diagnostic test that safely stimulates the nerves throughout different parts of the body using a controlled electrical current. Its purpose is to detect any abnormalities in the nerves, such as when they are functioning improperly due to conditions like diabetes or compression at the wrist or elbow.

2. The Needle Electromyographic Study is a diagnostic test that uses small needles to examine the muscles and nerves for any abnormalities. It is used to detect conditions such as nerve compression in the neck or back, nerve injuries, or muscle abnormalities.

3. The Evoked Potential test is a diagnostic test that uses electrical, light, or sound stimulation to generate electrical signals that travel along the nerves to the brain and spinal cord. This test is used to detect abnormalities in specific areas of the brain and spinal cord.

In what way is this examination beneficial?

The aforementioned examination will assist in achieving a more accurate and precise diagnosis of the disease, as well as provide information for future treatment planning.

To what extent is this examination safe?

This examination is safe for both children and adults. Although some individuals may feel a slight electric shock or discomfort when the needle is inserted into the muscle.

As for the potential complications that may occur, they include:

• Hematoma from the needle, which typically resolves within 2-3 days.
• In cases where muscle examination is required with a needle in the chest area, there may be a chance of pneumothorax, which can cause chest tightness and difficulty breathing. However, such complications are rare and can be treated.

If you have any of the following issues, please notify your physician before the examination:

• A history of easy bleeding or taking medication that may cause bleeding (in cases where a needle is required).
• Having a pacemaker.
• Having inflamed or infected skin in the area that needs to be examined.

Note: Patients taking Mestinon (a medication for Myasthenia Gravis) should refrain from taking the medication one day prior to the examination.

• Drinking water and eating food is not prohibited.

For further inquiries, please contact the Rehabilitation Medicine Department at Vibhavadi Hospital at 02-561-1111 ext. 1118-9.