Shock

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• Undifferentiated shock

📊 Shock Index Calculator [show]

Shock Index

Shock Index

Parameter	Value
Heart Rate (bpm)
Systolic Blood Pressure (mmHg)
Shock Index (HR/SBP)

Interpretation
0.5–0.7	Normal — Normal physiologic range.
0.7–1.0	Elevated — May indicate early/compensated shock. Consider further evaluation.
1.0–1.4	High — Consistent with significant hemodynamic compromise. Consider aggressive resuscitation.
>1.4	Critical — High mortality risk. Immediate intervention required.

References
Allgower M, Burri C. Shock index. Dtsch Med Wochenschr. 1967;92:1947-1950. PMID 5299769. Cannon CM et al. Utility of the shock index in predicting mortality in traumatically injured patients. J Trauma. 2009;67:1426-1430. PMID 20009697.