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Fibromyalgia in hyperkalemic periodic paralysis
F R Götze1, S Thid, M Kyllerman
1Department of Internal Medicine/Rheumatology, Sahlgren University Hospital/Ostra, Göteborg, Sweden.
Scandinavian Journal of Rheumatology
|November 10, 1998
Summary
This study identifies autosomal dominant hyperkalemic periodic paralysis in a patient with fibromyalgia-like symptoms. Treatment with diet, medication, and exercise improved pain and weakness.
Area of Science:
- Neurology
- Genetics
- Rheumatology
Background:
- Fibromyalgia is characterized by widespread pain and stiffness.
- Periodic paralysis encompasses a group of rare genetic disorders causing muscle weakness.
Observation:
- A 43-year-old woman presented with joint pain, muscle stiffness, and decreasing muscle power, initially diagnosed with fibromyalgia.
- Her son and other relatives exhibited similar symptoms, including muscle pain, fatigue, and paralytic attacks.
- Diagnostic tests, including EMG and muscle biopsy, were inconclusive, but a potassium load test induced paralysis.
Findings:
- The patient was diagnosed with autosomal dominant hyperkalemic periodic paralysis.
- Muscle myotonia was observed in the patient and her son.
- Serum potassium levels correlated with paralysis episodes.
Implications:
- This case highlights the importance of considering rare genetic disorders in patients with seemingly common conditions like fibromyalgia.
- Early diagnosis and appropriate management, including dietary changes and medication, can significantly improve quality of life for patients with hyperkalemic periodic paralysis.
- Genetic counseling and family screening are crucial for autosomal dominant conditions.