DIND Delayed Ischemic Neurological Deficit Calculator

Estimate DIND probability from Fisher grade, SAH onset severity, and day 3-14 clinical window.

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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

Estimate DIND probability from Fisher grade, SAH onset severity, and day 3-14 clinical window

Each component has a specific meaning:

  • Fisher grade — The fisher grade recorded for the scenario being assessed.
  • SAH onset severity — The sah onset severity recorded for the scenario being assessed.
  • Day 3-14 clinical window — The day 3-14 clinical window recorded for the scenario being assessed.

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

How to Use

Enter the Fisher grade, SAH onset severity, day 3-14 clinical window for the scenario you are assessing. Estimate DIND probability from Fisher grade, SAH onset severity, and day 3-14 clinical window. Use the dind risk result to inform your calculation.

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Frequently Asked Questions