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What Does Low Rdw Mean
Means nothing: A high RDW is a measure of the variability in size among red cells. When it is low, it's a fluke of statistics, and you should ignore it -- lab "normals" are set so that a few healthy folks lie outside. I run a high RDW as a frequent blood donor, and elevation is a common first-hint that something may be unusual; many healthies have high rdw's for various reasons. Labs mean nothing in isolation. ...Read moreSee 2 more doctor answers
Nothing.: Mcv is red cell size. Rdw is the variation in red cell size. A low RDW has no meaning. Gfr is a way of measuring kidney function, and a GFR over 60 is of no concern. ...Read more
My son (13) has a slightly elevated RDW (14.8%) and a slightly low mchc reading (32.5%). What does this mean?
MCH is high (39.8pg) MCHC is high (376g/l) and RDW is low (10%) - MCV is normal (90.6fL) - what could this mean?
All cells same size.: The red blood cell distribution width (RDW) is a measure of variation of red cell volume that is reported as part of a blood count. Usually red blood cells are a standard size (6-8 ?m). Certain disorders, however, cause a significant variation in cell size. Low RDW means less variation in size and can be seen when all cells are large (macrocytic anemia) or all cells are small (microcytic anemia). ...Read more
What do you suggest if my RDW and lymph count is high and my MCV and MCH is low what does this mean?
See below: All laboratory results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the best position to do that. Having said that, low mcv and mch and high RDW suggest iron deficiency anemia. It would be prudent to discuss it with your doctor who knows more about your health. ...Read more
Need a workup: Lab results mean nothing in isolation, and reference ranges are set so that a few percent of healthies fall outside on either end. Given that, I wouldn't be surprised if you were getting a bit iron deficient, and that's a call for a workup -- are you bleeding from something troublesome like an ulcer or tumor? Your physician should know what to do. ...Read more
Anemia: A low hemoglobin (HGB) and hematocrit (hct) mean that one has anemia, or low numbers of red blood cells. A high RDW (or red cell distribution width) indicates that the red blood cells are all of very different sizes. The most common thing to cause this constellation of findings is iron defciency anemia, but other things can too so it is important that your problem be evaluated by a hematologist. ...Read more
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