The Basics of Nerve Conduction Studies

There are a lot of causes of myopathy, but big categories that we should be thinking about are inflammatory with dermatomyositis and polymyositis being two common ones. With myopathies, you tend to have less of a focal process. You tend to see weakness a bit more diffusely. And then the timing, the temporal pattern and the even the age of onset can help point you in the direction of what the specific etiology is.