hematocrit

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Last updated 10:25 AM on 4/15/26
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8 Terms

1
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pcv

packed cell volume

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known as the hematocrit (Hct), is an expression of the percentage of the whole blood occupied by RBCs.

pcv

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A low PCV may indicate

  • anemia

  • excessive low: contains excessive plasma


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many causes of anemia

  • blood loss

  • neoplasia

  • parasitism

  • chronic infection


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high pcv indicates

  • dehydration

  • splenic contraction in an excited animal

  • clot in sample


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determines the percentage of red blood cells (RBC's) in the blood. Blood is composed mainly of red blood cells and white blood cells suspended in an almost clear fluid called serum.

hematocrit

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hematocrit or pcv standard ref for adult dog

37-55%

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factors affecting hematocrit

  • rbcs mass

  • plasma volume changes

  • splenic contraction/relaxation

  • hypoxia