Vasivebloodpressureandheartrate(HR)wereobservedat baseline and at two minute intervals following spinal injection

Vasivebloodpressureandheartrate(HR)wereobservedat baseline and at two minute intervals following spinal injection for the first15minutesandat5minuteintervalsthroughouttherestofsurgery. Baseline, highest and lowest values of systolic blood pressure (SBP)andHRwerenoted.Hypotensionwasdefinedasadecrease ofSBP30 ofbaselineor90mmHgafterspinalinjection.Hypotensive episodes have been treated with…