Digoxin Dosing and Toxicity Monitoring Calculator

Calculates digoxin loading dose, maintenance dose based on lean body weight and CrCl, target serum level by indication (AF rate control vs HFrEF), and Fab fragment antidote dosing for toxicity.

Weight
Height
Clinical Guidance

BMI is a screening measure of body size, not a direct measure of body fat. The standard WHO categories are underweight (<18.5), normal (18.5–24.9), overweight (25–29.9), and obese (≥30).

BMI can overestimate body fat in athletes with high muscle mass and underestimate it in older adults with low muscle mass. Interpret it alongside waist circumference and clinical context rather than as a standalone diagnosis.

⚕ Clinical Disclaimer: These calculators are for educational and reference purposes only. Always verify results with qualified clinical judgment and current clinical guidelines. Do not use as a sole basis for medical decisions.
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How It Works

Calculates digoxin loading dose, maintenance dose based on lean body weight and CrCl, target serum level by indication (AF rate control vs HFrEF), and Fab fragment antidote dosing for toxicity

Each component has a specific meaning:

  • Lean body weight — The lean body weight recorded for the scenario being assessed.
  • CrCl — The crcl recorded for the scenario being assessed.
  • Target serum level by indication — The target serum level by indication recorded for the scenario being assessed.
  • Fab fragment antidote dosing — The fab fragment antidote dosing recorded for the scenario being assessed.

Note: Interpret the digoxin dosing result against the thresholds and context described above.

How to Use

Enter the lean body weight, CrCl, target serum level by indication, Fab fragment antidote dosing for the scenario you are assessing. Calculates digoxin loading dose, maintenance dose based on lean body weight and CrCl, target serum level by indication (AF rate control vs HFrEF), and Fab fragment antidote dosing for toxicity. Use the digoxin dosing result to inform your calculation.

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Frequently Asked Questions