What tests are used to diagnose PMC?
A frequently used test is the Electromyogram (EMG). During this test fine needles are inserted into the muscle and the electrical signals the muscles generate are recorded. The muscle is chilled for this test, as chilling brings on the instability of the muscle membrane. At times diagnosis is not as easily accomplished, and further testing is necessary. The subject of diagnosis is one which is somewhat complex, and is outside the scope of this discussion. For more information consider joining the on-line support group, HKPP Listserv.
The myotonia may be found during Electromyographic (EMG) examination. During this test fine needles are inserted into the muscle and the muscle’s electrical signals are recorded. The muscle is chilled for this test, as chilling brings on the myotonia. Evidence of myotonia supports the diagnosis of PMC. At times diagnosis is not as easily accomplished, and further testing is necessary. There is more information about diagnosis in other articles on this website. See The Exercise EMG.
