APACHE II score simpl
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
About this calculator
The APACHE II score simpl is a triage tool for assessing the severity of patients in intensive care units (ICU). It combines three key clinical parameters: respiratory status, kidney function, and vital signs, generating a score that estimates mortality risk. The calculator adds these values to produce a simplified score, useful for monitoring post-surgery or critical care patients.
The calculator's formula uses objective parameters like blood pH, urine output, and blood pressure. Each parameter is scored based on its magnitude, and the total sum provides a risk estimate. This score helps doctors decide on urgent interventions or adjust intensive care therapy. Remember, the simplified APACHE II score does not replace a full medical evaluation but serves as a decision-support tool.
Use this calculator to track changes in ICU patients' conditions, especially after complex surgeries or septic shock cases. It is ideal for healthcare teams needing quick triage. However, abnormal values should be discussed with professionals to avoid underdiagnosis or overdiagnosis.
Frequently asked questions
Why does the calculator use only three parameters?
The simplified version prioritizes critical indicators for rapid ICU triage, such as vital signs and kidney function.
How does this calculator compare to the original APACHE II?
The full APACHE II uses 12 parameters, while this version focuses on three for immediate analysis, with lower accuracy but higher practicality.
Can I use this tool to monitor patients at home?
Not recommended. The calculator is designed for hospital use in settings with medical equipment and supervision.
What is the error margin of the simplified score?
Accuracy is lower than the full version, varying by up to 20% depending on the parameter combinations used.