Hematocrit Medical Definition. Mcgraw hill concise dictionary of modern medicine. The hematocrit is expressed as a percentage by volume. The red cells are packed by centrifugation. Hematocrit definition is the ratio of the volume of red blood cells to the total volume of blood as determined by separation of red blood cells from the plasma usually by centrifugation.
The hematocrit hɪˈmætəkrɪt ht or hct also known by several other names is the volume percentage vol of red blood cells rbc in blood measured as part of a blood test. The hematocrit measures how much space in the blood is occupied by red blood cells. The hematocrit is expressed as a percentage by volume. See hemoglobin mean corpuscular volume. It is normally 40 7 50 3 for men and 36 1 44 3 for women. 2002 by the mcgraw hill companies inc.
The hematocrit hɪˈmætəkrɪt ht or hct also known by several other names is the volume percentage vol of red blood cells rbc in blood measured as part of a blood test.
This measurement depends on the number of and size of the red blood cells. The hematocrit is expressed as a percentage by volume. The red cells are packed by centrifugation. Hematocrit is a blood test that measures how much of a person s blood is made up of red blood cells. The measurement depends on the number and size of red blood cells. This measurement depends on the number of and size of the red blood cells.