Exposure to lead, mercury, some chemotherapy agents, and radiation may also cause the white blood cell count to be diminished. Normal USG can range from 1.003 to 1.030 a value of less than 1.010 indicates relative hydration, and a value greater than 1.020 indicates relative dehydration. In addition, white blood cell counts are usually elevated well above the normal range in the presence of leukemia.Ī low WBC count is called leukopenia and it is typical of chronic viral infection, immunodeficiency diseases or bone marrow disorders. Smoking may also cause slight leukocytosis. Increased WBC counts may also be associated with stress, intense exercise, trauma, inflammation, and pain. It is interesting to know the intrinsic WBC count of a person to detect any changes in the normal values.Ī high WBC count is called leukocytosis and occurs in acute infections (mainly bacterial), in which the degree of increase of leukocytes depends on severity of the infection. Specific patterns of leukocyte response are expected in various types of diseases as determined by the differential count (percentages of the different types of leukocytes) and it may be helpful for the diagnosis. The WBC count serves as a useful guide to the severity of the disease process. The WBC count is usually performed in a routine blood test and provide information about many diseases and their progress. Lymphocytes and monocytes belong to this group.
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