What causes high RDW SD and low Potassium?

High RDW SD and low Potassium can be caused by many reasons.

If your RDW SD is in between 39 fL and 46 fL and your Potassium is in between 3.5 mmol/L and 5.1 mmol/L then you need not worry as these are the normal ranges for RDW SD and Potassium respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

Normal range of RDW SD : 39 - 46 fL

Ideal values of RDW SD depending on age :

Age	Ideal RDW SD value
<5 years	39.681
5-10 years	40.374
10-15 years	41.079
15-20 years	41.796
20-25 years	42.526
25-30 years	43.269
30-35 years	44.024
35-40 years	44.793
40-45 years	45.575
45-50 years	45.561
50-55 years	45.547
55-60 years	45.533
60-70 years	45.519
70-80 years	45.505
80-90 years	45.492
90-100 years	45.478
>100 years	45.464

*Ideal values are calculated based on our database of patient records

If you want your blood test report to be interpreted by RDW SD specialist, then you can upload your report. Our RDW SD expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours. Upload blood test report now

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Some examples of conditions that increase or decrease RDW SD levels include:

• Thalassemia, an inherited blood disorder
• Crohn's disease
• Chronic liver disease
• An iron or vitamin deficiency
• Heart disease

If you want your blood test report to be interpreted by RDW SD specialist, you can upload your report. Our RDW SD expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours. Upload blood test report now

Normal range of Potassium : 3.5 - 5.1 mmol/L

Ideal values of Potassium depending on age :

Age	Ideal Potassium value
<5 years	3.561
5-10 years	3.623
10-15 years	3.686
15-20 years	3.75
20-25 years	3.815
25-30 years	3.882
30-35 years	3.95
35-40 years	4.019
40-45 years	4.089
45-50 years	4.16
50-55 years	4.233
55-60 years	4.307
60-70 years	4.382
70-80 years	4.459
80-90 years	4.537
90-100 years	4.616
>100 years	4.697

High RDW SD and low Potassium can be caused by a lot of reasons. If you take RDW SD and Potassium blood tests and the results are higher than 46 fL for RDW SD and lower than 3.5 mmol/L for Potassium, your physician may recommend more tests to figure out the problem. You might also get these tests if your physician thinks you have some other disease.

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How the RDW SD and Potassium Tests Are Done :

If your doctor wants RDW SD and Potassium tests on you, you may need to go through these tests. During the RDW SD and Potassium blood tests, a pathologist will put a needle into your veins and take out a small quantity of blood. A pathologist is a physician in the medical field who thoroughly studies the causes and effects of disease. Within a few hours you will get your RDW SD and Potassium Test reports by your pathologist.