[Clinical-epidemiological profile of patients with thyrotoxic periodic paralysis in two peruvian hospitals].

We consider that this condition should be suspected in any young male patient of any ethnicity with acute muscle weakness, associated with low serum potassium levels and symptoms of thyrotoxicosis, although its absence should not rule out the diagnosis. The precipitating factor should be identified as much as possible and initial therapy with propanolol with or without intravenous or oral potassium replacement should be established, with adequate subsequent monitoring to minimize the risk of rebound hyperkalemia.