Fatty Acid Oxidation Defect Risk Calculator

Assesses risk of metabolic crisis in fatty acid oxidation disorders (MCAD, LCHAD, VLCAD) based on acylcarnitine profile, fasting duration, illness severity, and provides safe fasting duration guidelines.

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

Assesses risk of metabolic crisis in fatty acid oxidation disorders (MCAD, LCHAD, VLCAD) based on acylcarnitine profile, fasting duration, illness severity, and provides safe fasting duration guidelines

Each component has a specific meaning:

  • Acylcarnitine profile — The acylcarnitine profile recorded for the scenario being assessed.
  • Fasting duration — The fasting duration recorded for the scenario being assessed.
  • Illness severity — The illness severity recorded for the scenario being assessed.
  • Provides safe fasting duration guidelines — The provides safe fasting duration guidelines recorded for the scenario being assessed.

Note: Interpret the fao defect risk result against the thresholds and context described above.

How to Use

Enter the acylcarnitine profile, fasting duration, illness severity, provides safe fasting duration guidelines for the scenario you are assessing. Assesses risk of metabolic crisis in fatty acid oxidation disorders (MCAD, LCHAD, VLCAD) based on acylcarnitine profile, fasting duration, illness severity, and provides safe fasting duration guidelines. Use the fao defect risk result to inform your calculation.

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Frequently Asked Questions