Severe hypokalaemia in a Chinese male

Y. F. Lin, S. H. Lin, W. S. Tsai, M. R. Davids, M. L. Halperin

研究成果: 雜誌貢獻文章

11 引文 斯高帕斯(Scopus)

摘要

A 34-year-old Chinese man developed acute, severe, generalized muscle weakness while mountain climbing. In the Emergency Department that morning, the most striking abnormalities were flaccid paralysis of both upper and lower limbs and a plasma potassium (K+) concentration (PK) of 1.7 mmol/l. To explain the basis for this constellation of findings, an imaginary consultation was sought with Professor McCance, the legendary integrative physiologist. Using both a deductive and a quantitative analysis, he illustrated that a simple story of an acute shift of K+ into cells was not sufficient to explain the patient's hypokalaemia. The clue he used to suspect a large total body deficit of K+ was a higher than expected rate of K+ excretion on the initial spot urine (higher than expected ratio of K+: creatinine in the urine). This interpretation was supported by the fact that the patient needed a large supplement of K+ to raise his PK to just under 3 mmol/l. It was only after more detailed studies based on urine chemistry that an accurate diagnosis and effective treatment could be instituted. The final question was why one of the hallmarks of the diagnosis of hyperaldosteronism (hypertension) was absent, yet hypokalaemia was so severe.

原文英語
頁(從 - 到)695-704
頁數10
期刊QJM
95
發行號10
出版狀態已發佈 - 十月 1 2002
對外發佈Yes

ASJC Scopus subject areas

  • Medicine(all)

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  • 引用此

    Lin, Y. F., Lin, S. H., Tsai, W. S., Davids, M. R., & Halperin, M. L. (2002). Severe hypokalaemia in a Chinese male. QJM, 95(10), 695-704.