Hyperkalemic Periodic Paralysis

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Abstract
Effects of strenuous exercise, followed by rest, and of potassium administration on blood chemistry values were studied in two patients with hyperkalemic periodic paralysis and in normal volunteers. These procedures produced attacks of flaccid paralysis that occurred concomitantly with rapid rises in serum potassium concentrations and decreases in blood glucose and inorganic phosphate levels. With the exception of the serum potassium level which rose following exercise and potassium administration, there were no changes in the blood chemistry values of the normal volunteers. During the induced attacks of paralysis, the expired breath of the patients had a very strong odor of ketosis. Results of subsequent glucose tolerance tests were abnormal. Following 24 hour administration of acetazolamide, the studies were repeated. The drug appeared to cause lesser effects of stimuli on serum potassium levels and a stabilizing effect on blood glucose levels.

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