Red cell distribution width

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Red cell distribution width (RDW)

A measure of the variation in size of red blood cells.
References in periodicals archive ?
While Pantell cautioned that there is still no definitive conclusion as to whether high red cell distribution width is a cause or result of poor health, he said with more research, the biomarker may be an easy and inexpensive way of measuring a person's cumulative stress burden and detecting subclinical disease.
Key Words: red cell distribution width, thrombotic thrombocytopenic purpura
The red cell distribution width (RDW) is an indicator of the degree of variation in RBC size, determined as part of the routine complete blood count.
In all subjects, various laboratory variables were obtained, including a complete blood count, red cell distribution width, C-reactive protein, alanine aminotransferase, serum creatinine, serum iron, transferrin, transferrin saturation, and ferritin.
Another recent addition to hematology instrumentation is the graphic display of red cells and platelet volume histograms with related indices such as the red cell distribution width, the red cell morphology index, and the mean platelet volume.