Familial hypokalaemic periodic paralysis in Finland.
Open Access
- 1 April 1992
- journal article
- Published by BMJ in Journal of Neurology, Neurosurgery & Psychiatry
- Vol. 55 (4) , 322-324
- https://doi.org/10.1136/jnnp.55.4.322
Abstract
Seven families with familial hypokalaemic periodic paralysis were found in Finland. Nine of the 103 asymptomatic family members studied had abnormal results on a potassium exercise test. The overall prevalence of familial hypokalaemic periodic paralysis in Finland was 0.4/100,000. Carbohydrate intake and hard exercise were the most important triggers of paralytic attacks. Half of the patients reported having attacks at least once a month. Seven patients reported cardiac symptoms (especially bradycardia) during attacks. Permanent muscular weakness was not prominent.Keywords
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