By cause when separated they include:
• Physiological: patient is in normal health sleep jerks are an example of this type
• Essential: without another underlying cause sometimes hereditary
• Epileptic: part of a chronic seizure disorder
• Symptomatic or secondary: caused by another disorder
If the cause of the patient’s myoclonus is still not clear, doctors may run additional tests including:
1. MRI (magnetic resonance imaging)
2. Cerebral spinal fluid exam
3. Tests for malabsorption disorders
4. Tests for enzyme deficiencies
5. Biopsy of skin or leucocytes
6. Copper studies
Alpha-feto protein, cytogenetic analysis, radiosensitivity of DNA synthesis
