OpiCalc

989 Clinical Tools

APACHE II MAP Calculation OI (Oxygenation Index)PaO2/FiO2 Ratio (P/F)SAPS II SIRS Criteria SOFA Score qSOFA

qSOFA

qSOFA (Quick SOFA): Bedside tool to identify patients with suspected sepsis at risk of poor outcomes outside the ICU.

Guidelines & Evidence

Clinical Details

Section 1

When to Use

Use this infectious-disease tool during bedside assessment when severity, diagnosis, or escalation decisions remain uncertain.

Support standardized communication across emergency, ward, ICU, ID, and microbiology teams.

Interpret alongside trajectory, source control, microbiology, and host factors.

Section 2

Formula & Logic

How to Interpret

This entry summarizes the core decision logic and intended use of the calculator within infectious-disease workflows.

Section 3

Next Steps

Clinical Actions

Use the result to guide urgency of further testing or escalation.

Correlate with the patient's physiology, suspected source, and guideline pathways.

Reassess if the patient deteriorates or new data become available.

Last Comprehensive Review: 2026

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