β‐Adrenergic treatment of hyperkalemic periodic paralysis

Abstract
In a patient with hyperkalemic periodic paralysis, metaproterenol prevented muscular weakness and hyperkalemia in periods of rest after exercise. During a severe attack, the drug rapidly corrected hyperkalemia and seemed to enhance the return of strength. The action of metaproterenol may involve a beta-adrenergic-mediated increase of potassium transport via the sodium-potassium pump.

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