RDW means: the distribution range or red

test RDW distribution width (diameter) red blood cells, the size can be the difference in the size and volume of red blood cells, the person will show. The results obtained, along with other tests, blood, etc. can doctors help, there is anemia, it. Disease, which by the shortage of red blood cells, characterized.

test diameter of red blood cells can determine the cause of the anemia also help. Also, a study in 2010 showed that this test could be predictor of death in people above 45 years.

test RDW, the difference in size between the smallest and largest RBCs in a sample of the show. Although the difference is common, but the diameter of the average red blood cells, 6 to 8 microns. Red blood cells oxygen from the lungs to the rest of the body parts transfer.

the protein within these cells, called hemoglobin, to the oxygen attached and it does not carry. Problems related to hemoglobin can affect the flow of oxygen throughout the body, affect as shape, size, and health of red blood cells, can either. This can lead to a variety of health problems. Test results RDW can be high in the event that more cells larger or smaller than normal size. This can be the existence of an underlying disease. Of course, not all diseases that affect RDW effect.