Tag Archives: Hypokalemia
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Urine Tests for Chronic Hypokalemia: When in Doubt, Check Urine-Sodium-to-Chloride Ratio

Urine tests are very helpful for the diagnosis of renal and electrolyte disorders. However, ordering and interpreting urine tests properly have been an Achilles heel for many primary care physicians and residents. It is particularly difficult for chronic hypokalemia because the pathophysiological mechanisms behind it can be rather complicated. Traditionally, we use transtubular K+ gradient (TTKG) […]

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