![]() Chronic illness like HIV, AIDS, Diabetes or Crohn’s disease( a long-term inflammatory disease that affects digestive tract).Anaemia symptoms such as pale skin, numbness or dizziness.Your doctor may order an RDW blood test if you have: Cancer, especially colorectal cancer( cancer that affects colon).Thalassemia( a blood disorder characterised by reduced production of a protein called haemoglobin).To properly diagnose your condition, your doctor may compare the RDW and MCV results to measure the volume of your Red blood cells.Īn RDW blood test is typically used to diagnose anaemia and different conditions such as: A Mean Corpuscular Volume Test checks the average volume of RBC in a finger-prick blood sample. Your RDW test results will be compared with that of MCV test results. Since a person with normal RDW can still have an underlying condition, doctors may take into consideration the results of other blood tests as well. Even if you have normal RDW, you may have certain diseases. If the RDW value is outside the normal range, it can be a sign of a problem with body function, which may affect the flow of oxygen from the lungs to parts of your body. Your RDW blood test results can be higher if your RBCs are smaller or larger than normal, which indicates that you have an underlying condition. The standard size of normal RBCs is 6 to 8 micrometres (µm) in diameter. Your cells require oxygen to remain healthy, grow and reproduce. Red blood cells (RBC), one of the major components of our blood, carries oxygen from lungs to various parts of your body. ![]() ![]() Red Blood Cell Distribution Width blood test shows the variation in size and volume of your red blood cells. ![]()
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