APACHE II Score Calculator
Calculate the APACHE II (Acute Physiology and Chronic Health Evaluation) score for ICU mortality prediction.
Medical Disclaimer
This calculator is for informational and educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making decisions about your health. Never disregard professional medical advice or delay seeking it because of results from this tool.
Step 1 of 5
Normal: 36–38.4°C; APACHE II: 0 pts normal; 4 pts for ≥41°C or <30°C
Normal MAP: 70–100 mmHg; critical: <50 mmHg (shock) or >160 mmHg (hypertensive crisis)
Normal HR: 60–100 bpm; APACHE II: 4 pts for HR ≥180 or <40 bpm
How to Use This Calculator
- Enter all acute physiology variables: temperature, MAP, heart rate, respiratory rate, and arterial pH.
- Add oxygenation, sodium, potassium, creatinine, hematocrit, WBC, and GCS score.
- Set age and chronic health points.
- Review APACHE II Score and estimated ICU mortality risk.
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