What causes a left shift in WBC?
What causes a left shift in WBC? The normal reaction of bone marrow to infection or inflammation leads to an increase in the number of white blood cells, predominantly polymorphonuclear leukocytes and less mature cell forms (the “left shift”). What is elevated WBC with left shift? Introduction: Background: An increase in WBC accompanied by a specific increase in neutrophils especially immature neutrophils, referred to as a left shift, are associated with a bacterial infection. Why do they call it a left shift? The correct use of the term “left shift” refers to the presence of banded (immature) neutrophils in the...