FAMILIAL HYPOKALAEMIA AND HYPOMAGNESAEMIA A Further Family

Abstract
A family of 4 siblings is reported. While both parents and 1 sib appear entirely normal, 3 other sibs give biochemical evidence of impaired K conservation, hypomagnesemia and decreased urinary Ca output. Affected sibs may be symptom free and of either sex. The dominant clinical abnormality, when it does occur, is tetany and may be precipitated by non-specific illness. Sustained management of the hypokalamia seems desirable.

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