What is mygram?

also known as electromyography (EMG) is a diagnostic test performed to assess the health and functionality of the individual's muscles. The EMG is carried out to determine the origin of the inexplicable muscle weakness and is used to detect conditions such as muscle inflammation, peripheral nerve damage and muscle dystrophy. As with any medical procedure, there are risks associated with the administration of mygram and should be discussed with a qualified health care provider before testing. The test is primarily given to determine whether the symptoms of a neurological nature or have a different origin. Depending on the location of the muscle weakness, abnormal test results may testify to the basic state or disorder, including nervous or muscle dysfunction.

Healthy muscles produce no electricity activity at rest. During physical activity, muscles produce electrical activity that increases with muscle contraction. When the individual's muscles are damaged or impairedIal activity hypersensitive, slowed or somehow incompatible with the expected values ​​associated with relaxation and movement. Hypersensitive results may indicate neurological disorders, while slowing or reduced reaction may be characteristic of myopathic disease.

The testing procedure includes the insertion of a small needle electrode into the affected muscle. Once the needle is in place, it registers the electrical activity of the muscles. After reading the base is removed when the individual is at rest, it may be asked to close the targeted muscle by bending or bending the intended area such as a leg or arm. The electrical activity created by law, referred to as action potential, is interpreted as the ability to respond to stimulation. The deductions of the recorded needle are transmitted and visually displayed on the monitor called an oscilloscope, for immediate, preliminary analysis and interpretation.

beforeThe test process can feel a little discomfort during the preparation phase when the needle is inserted. The risks associated with the administration of mygram include infection and excessive bleeding at the place of insertion. In cases where muscles maintain trauma during the procedure, inaccurate values ​​such as muscle biopsy or certain blood tests may result in other diagnostic testing procedures.

Nervous conductivity test (NCV) can be administered before or during a myogram to evaluate whether the nerves have been damaged. The skin contains patch containing electrodes in and around the EMG. The NCV test measures the speed on the electrical impulses served by the nervous muscles.

abnormal test results showing slow transmission testify to a certain degree of nerve damage. The common forms of nerve damage found during NCV include blocking nerves in the nerve path known as a conductive block or damage to the prolonged nerve cell segment called axonopathy. AlthoughThere are no risks with this procedure, there must be a special measures to take a test in individuals who have a pacemaker or similar implanted cardiovascular equipment.