Shock Index
Calculates the shock index (heart rate ÷ systolic BP) to detect occult hemodynamic instability before blood pressure falls.
What you enter
- Heart rate (bpm)
- Systolic BP (mmHg)
Reference
Allgöwer & Burri 1967; SI > 0.9 associated with instability
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Educational decision-support tools. They do not replace clinical judgment, local protocols or specialist advice: verify results before acting on them.