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Shock Index

Purpose:

To use the shock index to identify patients who may need more intensive care even though the vital signs may appear stable or not markedly abnormal.

Specialty:

Cardiology
Emergency Medicine
Pulmonology

Objective:

risk factors, severity, prognosis, stage, complications, selection, complication detection

ICD-10:

I01, I02.0, I09.8, I50

Description:

The Shock Index (SI) is the ratio of the heart rate to systolic blood pressure. The index is a sensitive indicator of left ventricular dysfunction and can become elevated following a reduction in left ventricular stroke work. It can be used in the Emergency Department and Intensive Care Unit to identify patients needing a higher level of care despite vital signs that may not appear strikingly abnormal.

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