<prompt> A patient who met with a A presented to emergency, he lost 30 of his total blood volume approximately,blood pressure is normal. Heshe will be classified under which class of hypovolemic shock?Class IClass IIClass IIIClass IV  <response>: 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 Beatsmin 100 100 120 140 Blood pressure Normal Normal Decreased Decreased Pulse pressure Normal Decreased Decreased Decreased Respiratory rate 14-20min 20-30 min 30-40min 35 min Urine mLhr 30 20-30 5-15 Negligible Fluid Crystalloid Crystalloid Crystalloid Blood Crystalloid blood Base deficit 0 to -2 mEqL -2 to -6 mEqL -6 to -10mEqL -10mEqL or less 