<prompt> Shock index HRSBP can be used to know the severity of the bleeding in cases of hemorrhage. Which of the following is most indicative for significant PPH0.3-0.50.5-0.70.7-0.90.9-1.1  <response>: Ans. d. 0.9-1.1 elevated shock index hea ratesystolic blood pressure 0.9 maybe signs of tissue hypoperfusion Shock Index Shock index SI, defined as the ratio of hea rate HR to systolic blood pressure SBP. Shock index 0.9: Sign of tissue hypoperfusionQ Shock index SI Hea rate HR Systolic blood pressure SBP 