Medical News Today: What does it mean if your RDW is high?

A red cell distribution width (RDW) blood test can help detect the presence of anemia, along with what could be causing it. The test identifies the size difference between the biggest and smallest red blood cells in a sample. In this article, we look at what to expect when having this test, and when it might be used.

from Featured Health News from Medical News Today https://ift.tt/2vysrOD