Myotonia

Under myotonia (from Greek  μυός myos , genitive to μῦς mys , muscle 'and τόνος tonos , voltage') are summarized various muscle disorders, by a delayed relaxation and thus longer morbidly tonic distinguished muscle tension.

The electrical activity of the muscle measured in the electromyogram (EMG) shows a typical pattern with a large number of sharp discharges with periodically increasing-decreasing amplitude . Typical acoustic phenomena (formerly described as dive bomber noise) occur in the EMG loudspeaker .

• Myotonic dystrophy type 1 (Curschmann-Steinert-Batten syndrome)
• Myotonic dystrophy type 2 ( proximal myotonic myopathy, PROMM for short)
• Myotonia congenita Thomsen (Thomsen Syndrome)
• Myotonia congenita Becker (recessive generalized myotonia)
• Paramyotonia congenita Eulenburg

Individual evidence

1. ↑ Renate Wahrig-Burfeind (Ed.): True. Illustrated dictionary of the German language . ADAC-Verlag, Munich 2004, ISBN 3-577-10051-6 , pp. 590 .

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