Beyond which critical values Shock Index (Heart rate/BP) in pregnancy is considered abnormal?(AIIMS Nov. 2012)
a. Hypovolumic shock is the most common stock in obstetrics and obstetric hemorrhage (APH, PPH) is its MC cause.
b. Hemorrhage is the most common cause of maternal mortality in developing countries.
c. Shock Index = HR / Systolic BP
d. Normal = 0.5-0.7
e. Shock index > 0.9 indicates state of shock that needs urgent resuscitation