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Influence of posture on serum potassium changes during standard glucose tolerance test
Abstract:
Serum potassium (SK) decreased in a significantly greater extent (p less than 0.005) in the recumbent (0.91 +/- 0.11 mmol/L) than in the upright position (0.57 +/- 0.07 mmol/L) in the course of the standard glucose tolerance test (StGTT) in 12 normal people. The clinical implications with special respect to "paradoxical hyperkalemia" are discussed.