SI = HR / SBP
Used when HR and SBP do not predict severity of hypovolemia in early stages
May be used as secondary triage tool in mass casualty incidents
0.5-0.7 is normal
>0.70-0.75 for occult shock or requirement of life-saving intervention
RUSH exam
Calcium bolus as inotrope
Vasopressin
Steroids, stress-dose, mineralocorticoids
Undifferentiated shock
Cardiogenic
Neurogenic shock
Acute valvular Regurgitation/VSD
Spinal shock
CHF
Cardiogenic shock
Dysrhythmia