What does high RDW SD indicate?
High results If your RDW is too high, it could be an indication of a nutrient deficiency, such as a deficiency of iron, folate, or vitamin B-12. These results could also indicate macrocytic anemia, when your body doesn’t produce enough normal red blood cells, and the cells it does produce are larger than normal.
What diseases cause large red blood cells?
AdvertisementVitamin B-12 deficiency.Folate deficiency.Liver disease.Alcoholism.Hypothyroidism.A side effect of certain medications, such as those used to treat cancer, seizures and autoimmune disorders.Increased red blood cell production by the bone marrow to correct anemia, for example, after blood loss.
What does it mean when RDW is low on blood test?
A low RDW means your red blood cells are all about the same size. A high RDW means you have both very small and very large red blood cells. You may also have a “normal” RDW.
Why are my red blood cells low?
A low RBC count could also indicate a vitamin B6, B12 or folate deficiency. It may also signify internal bleeding, kidney disease or malnutrition (where a person’s diet doesn’t contain enough nutrients to meet their body’s needs).
What can cause your red blood cells to be low?
If the number of RBCs is lower than normal, it may be caused by:anemia.bone marrow failure.erythropoietin deficiency, which is the primary cause of anemia in patients with chronic kidney disease.hemolysis, or RBC destruction caused by transfusions and blood vessel injury.internal or external bleeding.leukemia.
What is the most common cause of microcytic anemia quizlet?
ANS: B, Iron deficiency resulting from the monthly loss of iron in menstrual blood is the most common cause of microcytic hypochromic anemia.
Why does folate or vitamin b12 deficiency lead to Macrocytic anemia?
It’s known as vitamin B-12 or folate deficiency anemia, or macrocytic anemia, as well. Megaloblastic anemia is caused when red blood cells aren’t produced properly. Because the cells are too large, they may not be able to exit the bone marrow to enter the bloodstream and deliver oxygen.