Richmond Agitation-Sedation Scale (RASS) Assessment

Assesses level of sedation/agitation in ICU patients using the Richmond Agitation-Sedation Scale (RASS). Range: +4 (combative) to −5 (unarousable). Target RASS −1 to 0 for most mechanically ventilated patients (light sedation). RASS −2 acceptable for procedure tolerance. RASS −3 to −5 only for specific indications (ARDS prone, severe ICP, status epilepticus). Validated tool used to guide sedation titration.

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 level of sedation/agitation in ICU patients using the Richmond Agitation-Sedation Scale (RASS). Range: +4 (combative) to −5 (unarousable). Target RASS −1 to 0 for most mechanically ventilated patients (light sedation). RASS −2 acceptable for procedure tolerance. RASS −3 to −5 only for specific indications (ARDS prone, severe ICP, status epilepticus). Validated tool used to guide sedation titration

Each component has a specific meaning:

  • Richmond Agitation-Sedation Scale — The richmond agitation-sedation scale recorded for the scenario being assessed.

Note: Interpret the rass score result against the thresholds and context described above.

How to Use

Enter the Richmond Agitation-Sedation Scale for the scenario you are assessing. Assesses level of sedation/agitation in ICU patients using the Richmond Agitation-Sedation Scale (RASS). Range: +4 (combative) to −5 (unarousable). Target RASS −1 to 0 for most mechanically ventilated patients (light sedation). RASS −2 acceptable for procedure tolerance. RASS −3 to −5 only for specific indications (ARDS prone, severe ICP, status epilepticus). Validated tool used to guide sedation titration. Use the rass score result to inform your calculation.

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Frequently Asked Questions