You are examining a postoperative patient who believed to have lost 20% of his blood. What change if any would you expect in his BP and hea rate?
Correct Answer: Hea rate increased, BP normal/unchanged
Description: The change in BP and pulse rate in relation to % of blood loss is given below: Blood loss BP Hea rate <15% no change slight increase 15 - 30 % no change 100 - 120 30 - 40 % reduced >120, weak pulse >40% markedly reduced > 120, thready pulse Ref: Bailey, Edition 23, Page 235
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Physiology
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