[Hyperkalemic periodic paralysis or congenital paramyotonia: an attempt of treatment with phenytoin]. / Porazenie okresowe rodzinne czy paramiotonia wrodzona--próba leczenia fenytoina.

Authors describe 2 patients with hyperkalemic period paralysis where positive therapeutic effect was achieved after treatment with phenytoin. They compare the features of paramyotonia congenital with hyperkalemic period paralysis and they think that they are the same disease with different clinical signs.