Serum creatine kinase levels were moderately elevated, and electromyogram (EMG) showed a myopathic pattern of abnormalities. Muscle biopsies were performed in all affected patients. By light ...

SAN DIEGO — The use of electromyograms and nerve conduction studies are essential to excluding alternative diagnoses and confirming muscle disease when evaluating patients with suspected ...

EMG studies demonstrated myopathic changes in the MP-treated patients ... was recorded. Recruitment patterns were also recorded, as well as measuring the amplitude of the motor unit potentials.

4 Differential diagnosis includes motor neuron disease, other inflammatory myopathies, and late-onset muscular dystrophies Lack of fasciculations and myopathic findings on EMG distinguish inclusion ...