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Health Calculators
Urology & Nephrology
TTKG Calculator

TTKG Calculator

Transtubular Potassium Gradient.

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About TTKG Calculator

The TTKG Calculator is an essential clinical tool designed to compute the Transtubular Potassium Gradient. This metric is crucial for healthcare professionals, particularly nephrologists and internists, in accurately assessing the kidney's potassium handling capabilities. By evaluating the gradient between urine and plasma potassium concentrations, alongside urine osmolality, the tool helps differentiate the causes of both hypokalemia and hyperkalemia. It provides valuable insight into the functional status of the collecting duct and indirectly reflects aldosterone's influence on potassium excretion. Utilizing this calculator supports more precise diagnostic pathways and guides appropriate management strategies for electrolyte imbalances.

Next Steps
GFR Calculator (CKD-EPI)
Estimate Glomerular Filtration Rate using the race-free 2021 equation.
Creatinine Clearance (CrCl)
Cockcroft-Gault formula for kidney function assessment.
BUN/Creatinine Ratio
Differentiate causes of acute kidney injury.
ACR (Albumin/Creatinine Ratio)
Screening for diabetic nephropathy and chronic kidney disease.
PCR (Protein/Creatinine Ratio)
Assess proteinuria in renal disease.
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Electrolyte Excretion Indices
Electrolyte Excretion Indices

Assess renal handling of electrolytes and differentiate causes of acute kidney injury.

Medical Disclaimer
This tool is for educational and screening purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.