Why the study?
Can standardized electromyography exercise tests guide the molecular diagnosis of muscle channelopathies?
Population
51 case patients with chloride, sodium, or calcium channel mutations known to cause myotonia or periodic…
Comparison
Standardized protocols comprising short and long… vs 41 unaffected control subjects
Design
Cross-sectional
Authors
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EMG patterns may aid mutation subgrouping in channelopathies; leaves open whether standardized tests should guide molecular diagnosis.
Can standardized electromyography exercise tests guide the molecular diagnosis of muscle channelopathies?
Standardized short and long exercise tests during electromyography can identify specific patterns that correlate with underlying ion channel mutations, aiding in molecular diagnosis.
Fournier et al. (2004) studied this question.