Electrical impedance myography
Electrical Impedance Myography
Electrical Impedance Myography (pronunciation: e-lek-tri-kal im-pee-dans my-og-raphy) is a non-invasive technique used to evaluate the condition of muscles and nerves. It is often used in the diagnosis and monitoring of neuromuscular diseases.
Etymology
The term "Electrical Impedance Myography" is derived from the following words:
- Electrical: Pertaining to electricity, a form of energy resulting from the existence of charged particles.
- Impedance: In Electrical Engineering, impedance is the measure of the opposition that a circuit presents to a current when a voltage is applied.
- Myography: Derived from the Greek words "myo" meaning muscle and "graphy" meaning to write, it refers to the recording of muscle activity.
Procedure
Electrical Impedance Myography involves the application of a small electrical current to the skin over the muscle of interest. Electrodes are used to measure the resulting voltage, which provides information about the underlying muscle and nerve health.
Related Terms
- Electrodiagnosis: The process of diagnosing neuromuscular diseases using electrical testing techniques.
- Electromyography: A diagnostic procedure to assess the health of muscles and the nerve cells that control them.
- Neuromuscular Diseases: A broad term that encompasses many diseases and ailments that impair the functioning of the muscles, either directly, being pathologies of the voluntary muscle, or indirectly, being pathologies of nerves or neuromuscular junctions.
Applications
Electrical Impedance Myography has been used in the diagnosis and monitoring of various neuromuscular diseases such as Amyotrophic Lateral Sclerosis, Muscular Dystrophy, and Peripheral Neuropathy. It is also used in research to better understand the properties of muscles and nerves.
External links
- Medical encyclopedia article on Electrical impedance myography
- Wikipedia's article - Electrical impedance myography
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