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. Author manuscript; available in PMC: 2015 Aug 1.
Published in final edited form as: Neurol Clin. 2014 Aug;32(3):569–vii. doi: 10.1016/j.ncl.2014.04.008

BOX 18. PATTERN 8: MYOPATHIES WITH EPISODIC PAIN, WEAKNESS, AND MYOGLOBINURIA/RHABDOMYOLYSIS.

  • Related to exercise

    • “Couch Potato” syndrome

    • Glycogenoses (McArdle’s, etc.)

    • Lipid disorders (CPT deficiency)

  • Not related to exercise

    • Central non-neuromuscular causes:

      •  Neuroleptic malignant syndrome

      •  Status epilepticus

    • Drugs/toxins

    • Malignant hyperthermia

    • Polymyositis/Dermatomyositis (rarely)

    • Viral/bacterial infections