Transtubular Potassium Gradient (TTKG)
Historical bedside estimate of renal potassium handling in the workup of hyper- or hypokalemia; now out of favor and valid only when urine Na > 25 mEq/L (no input here — verify externally).
Historical bedside estimate of renal potassium handling in the workup of hyper- or hypokalemia; now out of favor and valid only when urine Na > 25 mEq/L (no input here — verify externally).