Abstract

Hypokalemic periodic paralysis (HPP) is a form of periodic paralysis, presents with sudden onset of weakness progressing to life threatening respiratory failure. The cause of this paralytic disorder may be genetic or acquired. Sudden onset of weakness is triggered by stress such as viral illness, fatigue, fight, emotional disturbance and medications like insulin, beta-2 agonists and steroids. A case of 45year old woman with sudden onset of weakness in lower extremities is presented here. Laboratory evaluation revealed low serum potassium and normal thyroid function tests. The paralytic weakness improved upon potassium supplementation. HPP is more common in males but our case is unique in that a woman presenting with symptoms of HPP.

Authors and Affiliations