Injury Severity Score Calculator
The Injury Severity Score calculator helps to assess trauma severity, especially in patients with multiple injuries.
What Injury Severity Score Calculator does
The Injury Severity Score calculator quantifies trauma severity by aggregating weighted injury scores across six body regions: head and neck, chest, abdomen, extremities, external, and face. Users select a severity level for each region, and the tool outputs a single numerical ISS that classifies injury as minor (less than 9) or more severe. The result helps define "major trauma" and correlates with mortality, morbidity, and hospitalization time. The calculator is designed for medical professionals and students in emergency or critical care, providing an objective measure based on the Abbreviated Injury Scale principles. A disclaimer emphasizes that the tool cannot replace professional medical advice.
How to use the Omni Calculator Injury Severity Score Calculator
- 1
Select the injury severity level for the head and neck region
- 2
Select the injury severity level for the chest region
- 3
Select the injury severity level for the abdomen region
- 4
Select the injury severity level for the extremities region
- 5
Select the injury severity level for the external region and the face region to complete the calculation
Best for
Emergency medicine physicians, nurses, and trauma students who need a rapid, standardized way to assess injury severity and prioritize care in multi-injury patients.
Limitations
- Severity levels are selected subjectively from dropdown menus
- The tool provides an estimate and is not a substitute for clinical judgment
- No option to adjust weighting or modify the Abbreviated Injury Scale methodology
Injury Severity Score Calculator FAQ
- Can the Injury Severity Score calculator replace a doctor's evaluation?
- No, the tool is for estimation only and includes a disclaimer that it cannot replace professional medical advice or clinical judgment.
- What does an ISS score below 9 mean?
- An ISS below 9 is classified as minor trauma, while scores of 9 or higher indicate increasing severity of injury.
- How many body regions must be filled in to get a score?
- The calculator requires severity selections for all six regions—head and neck, chest, abdomen, extremities, external, and face—to compute the overall Injury Severity Score.
- Is the ISS score the same as the Revised Trauma Score?
- No, the ISS aggregates injury severity by body region, while the Revised Trauma Score uses vital signs like blood pressure, respiratory rate, and Glasgow Coma Scale assessment.
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