Dear Dr. Roach: My wife, 69, has had issues for several years with high counts of red blood cells, hemoglobin and hematocrit. This all started back in 2017. Recently, she had severe pain in her ...
What Is a RDW Blood Test? An RDW blood test – also known as a red blood cell distribution width blood test – is a measure of the difference in your red blood cells’ size and volume. RDW is one part of ...