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Transtubular Potassium Gradient TTKG Calculator
Urine Potassium Plasma Potassium Urine Osmolality Plasma Osmolality Transtubular Potassium Gradient TTKG Explanation and Clinical Context TTKG is a physiologic estimate of potassium secretion in the cortical collecting duct and reflects the activity of aldosterone as well as distal tubular sodium delivery. It is calculated by the ratio of urine potassium concentration to plasma potassium concentration multiplied by t