Penumbra Salvageable Tissue Volume Calculator

Estimate salvageable penumbral tissue from CT perfusion Tmax>6s volume minus DWI or rCBF<30% core volume.

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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 salvageable penumbral tissue from CT perfusion Tmax>6s volume minus DWI or rCBF<30% core volume

Each component has a specific meaning:

  • CT perfusion Tmax>6s volume minus DWI or rCBF<30% core volume — The ct perfusion tmax>6s volume minus dwi or rcbf<30% core volume recorded for the scenario being assessed.

Note: Interpret the penumbra volume result against the thresholds and context described above.

How to Use

Enter the CT perfusion Tmax>6s volume minus DWI or rCBF<30% core volume for the scenario you are assessing. Estimate salvageable penumbral tissue from CT perfusion Tmax>6s volume minus DWI or rCBF<30% core volume. Use the penumbra volume result to inform your calculation.

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