<prompt> A female presents with significant blood loss due to post-partum haemorrhage PPH. What would be the shock index HRsystolic BP?0.3-0.50.5-0.70.7-0.90.9-1.1  <response>: Shock index heartratesystolic BPNormal 0.50.7If it becomes 0.91.1 it indicates massive blood loss and need for intensive resuscitation. 