Class 3 hemorrhagic shock refers to:
Blood loss less than 15 %
Blood loss between 15 % - 30%
Blood loss between 30% - 40%
Blood loss more than 40%
Four classes of Haemorrhagic Shock (According to the ATLS course ) Class Parameter I II III IV Blood loss (%) 0-15% 15-30% 30-40% >40% CNS Slightly anxious Mildly anxious Anxious or confused Confused or lethargic Pulse (Beats/min) < 100 >100 >120 >140 Blood pressure Normal Normal Decreased Decreased Pulse pressure Normal Decreased Decreased Decreased Respiratory rate 14-20/min 20-30 / min 30-40/min > 35/ min Urine (mL/hr) >30 20-30 5-15 Negligible Fluid Crystalloid Crystalloid Crystalloid + Blood Crystalloid + blood Base deficit 0 to -2 mEq/L -2 to -6 mEq/L -6 to -10mEq/L -10mEq/L or less