Background Systolic blood pressure (SBP) and shock index (SI) are accurate indicators of
hemodynamic instability and the need for transfusion in trauma patients. We aimed to …

Background The shock index (SI) is defined as the ratio of heart rate/systolic blood pressure.
This study aimed to determine the performance of delta shock index (ΔSI), a difference …

Background: In the prehospital environment, the failure of medical providers to recognize
latent physiologic derangement in patients with compensated shock may risk undertriage …

Background: Hemorrhage is a leading cause of preventable trauma death. In this study, we
used the reverse shock index (RSI), a ratio of systolic blood pressure (SBP) to heart rate …

INTRODUCTION: Non-invasive systolic blood pressure (SBP) measurement is a commonly
used triaging tool for trauma patients. A SBP of< 90mmHg has represented the threshold for …

Background The population of older trauma patients is increasing. Those patients have
heterogeneous presentations and need senior-friendly triaging tools. Systolic blood …

Objectives: The shock index (SI) and its derivations, the modified shock index (MSI) and the
age shock index (Age SI), have been used to identify trauma patients with unstable …

Objective The importance of early recognition of hemorrhagic shock and its effects on
outcome have long been recognized. Traditional vital signs are relatively insensitive as early …

Purpose Traumatic hemorrhagic shock (THS) is a complex, dynamic process and, no
consensual definition of THS is available. This study aims (1) to explore existing definitions …

Shock Index (SI= heart rate/systolic blood pressure) predicts outcomes among trauma
patients. Studies have also shown that the change in SI between the field and Emergency …