Emergency Medicine · ICU and Critical Care
Shock Index calculator
Enter the published formula inputs below to calculate and interpret this score.
Clinical inputs
/min
Allowed range: 20–250 /min
Quick picks
mm Hg
Allowed range: 40–300 mm Hg
Quick picks
Result
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Clinical inputs
- Heart rate (/min)Accepted range: 20 to 250
- Systolic blood pressure (mm Hg)Accepted range: 40 to 300
Primary source
Rady MY et al. Shock index: a re-evaluation in acute circulatory failure. Resuscitation. DOI: 10.1016/0304-3959(92)90006-X. PMID: 1303149. Scope: shock index defined as heart rate divided by systolic blood pressure (both in conventional units). (1992)
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