History
Originally thought to be separate from hyperkalemic periodic paralysis and the sodium channel myotonias, there is now considerable disagreement as to whether these disorders represent separate entities or overlapping phenotypes of a complex disorder spectrum. It was once thought that Paramyotonia congenita was more common in males. Observation of the most recent generation has shown this to be untrue. On average of half of children in a family inherit the disorder regardless of gender.
Read more about this topic: Paramyotonia Congenita
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