Myotonia

Evidence-based neurology checklist on myotonia: Dystrophic myotonias Myotonic dystrophy type 1 Myotonic dystrophy type 2 Non-dystrophic myotonias Causes of isolated electrical myotonia Drug and toxic causes Clinical features Electromyogram (EMG) features Differential diagnosis Treatment

Dystrophic myotonias

  • Myotonic dystrophy type 1
  • Myotonic dystrophy type 2

Non-dystrophic myotonias

Causes of isolated electrical myotonia

Drug and toxic causes

Clinical features

Electromyogram (EMG) features

Differential diagnosis

Treatment

References

  1. Heatwole CR, Moxley RT 3rd. The nondystrophic myotonias. Neurotherapeutics 2007; 4:238-251.
  2. Matthews E, Fialho D, Tan SV, et al; CINCH Investigators. The non-dystrophic myotonias: molecular pathogenesis, diagnosis and treatment. Brain 2010; 133:9-22.
  3. Rutkove SB, De Girolami U, Preston DC, et al. Myotonia in colchicine myoneuropathy. Muscle Nerve 1996; 19:870-875.
  4. Duarte J, Cabezas C, Rodríguez F, Clavería LE, Palacin T. Colchicine-induced myopathy with myotonia. Muscle Nerve 1998; 21:550-551. 
  5. Caglar K, Odabasi Z, Safali M, Yenicesu M, Vural A. Colchicine-induced myopathy with myotonia in a patient with chronic renal failure. Clin Neurol Neurosurg 2003; 105:274-276.
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