Hematocrit: The proportion of the blood that consists of packed red blood cells. The hematocrit is expressed as a percentage by volume. The red cells are packed by centrifugation.
For example, an hematocrit of 25% means that there are 25 milliliters of red blood cells in 100 milliliters of blood. The red cells make up a quarter of the blood.
The normal ranges for the hematocrit are dependant on the age and, after adolescence, the sex of the individual. The normal ranges for the hematocrit are:
These values may vary slightly between laboratories.
The term "hematocrit" was coined in 1903 and comes from the Greek roots hemat-, blood + krites, judge = to judge or gauge the blood. The abbreviation for hematocrit is hct. In medical slang the hematocrit is called the crit.
Library > Literature & Language > Dictionary ( hÄ-mÄƒt ' É™-krÄt ' ) n. The percentage by volume of packed red blood cells in a given sample of blood after ...
Describes how the hematocrit test is used, when a hematocrit test is ordered, and what the results of a hematocrit test might mean
Hematocrit is a blood test that measures the percentage of the volume of whole blood that is made up of red blood cells. This measurement depends on the ...
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Hematocrit Definition. The hematocrit measures how much space in the blood is occupied by red blood cells. It is useful when evaluating a person for anemia.