Hyperkalemic periodic paralysis. Definition

Medical Definition: hyperkalemic periodic paralysis

Disorder that appears in childhood and is characterized by muscle weakness and episodes of flaccid paralysis. Is inherited as an autosomal dominant. May be asymmetric and take hours or even days, affecting the proximal muscles and lower limbs before the distal or upper limbs. The attacks of weakness triggered by rest after exercise, potassium intake or stress. Serum potassium is elevated to 5-7 mmol / l and rarely affects cardiac function. Can be treated with calcium gluconate and acetazolamide.

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