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Doctor insights on: Causes Of Elevated Hemoglobin And Hematocrit

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What could cause low MCV and high RDW but normal MCH, hemoglobin, and hematocrit for over a year?

What could cause low MCV and high RDW but normal MCH, hemoglobin, and hematocrit for over a year?

How low?: Reference ranges are set so that several percent of healthy folks fall outside on either end. If your peripheral smear is unremarkable and the MCV above 70, I'd forget the whole thing. My RDW is always high from donating blood. There are some variants of thalassemia minor that will produce this and puzzle people over a lifetime, though MCH is usually lowish. ...Read more

Dr. Tipu Sultan
843 Doctors shared insights

Hematocrit (Definition)

Of red blood cell number. Classically this was the "packed cell volume." blood was placed in a microtube and spun in a centrifuge. The rbcs settle to the bottom and one measures the height in the tube and reported as a percentage. Now determined by an automated machine. A typical hct is about 3 ...Read more


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Why would a patient's hemoglobin and hematocrit be elevated if he or she has chf?

Why would a patient's hemoglobin and hematocrit be elevated if he or she has chf?

Treatment effect: In point of fact, someone with untreated CHF will have a lower h&h. These measurementa go up with "hemoconcentration" which reflects the volume contracting effects of treatment for chf. Bottom-line: in the absence of an unrelated cause, elevated h&h reflect treatment, not disease. ...Read more

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What could cause low MCV and high RDW but normal MCH, hemoglobin, and hematocrit for over a year?

How low?: Reference ranges are set so that several percent of healthy folks fall outside on either end. If your peripheral smear is unremarkable and the MCV above 70, I'd forget the whole thing. My RDW is always high from donating blood. There are some variants of thalassemia minor that will produce this and puzzle people over a lifetime, though MCH is usually lowish. ...Read more

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What could cause low red blood cell count, but normal hemoglobin and hematocrit levels? Also, if it matters, which apparently it doesn't?

What could cause low red blood cell count, but normal hemoglobin and hematocrit levels? Also, if it matters, which apparently it doesn't?

Red blood count is n: We rely more on hemoglobin and hematocrit levels than or red cell counts. So you can ignore your red cell count right now. ...Read more

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Compare hemoglobin and hematocrit levels?

Compare hemoglobin and hematocrit levels?

X3: Generally hamatocrit is three times the value of hemoglobin. Hemoglobin refers to the concentration of this protein in blood; hematorit measure red cell mass as a proportion of the blood volume. ...Read more

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Why is my hemoglobin and hematocrit in normal range, but my ferritin dropping?

Why is my hemoglobin and hematocrit in normal range, but my ferritin dropping?

Some ideas: If you are losing blood (monthly loss, loss from illness) or are a non-supplementing vegetarian, you'll lose the iron you need to make red cells before you become anemic. Serum ferritin fluctuates but if yours is low, it needs to be evaluated. ...Read more

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My hemoglobin and hematocrit are rising but my ferritin in dropping, why is that?

Need actual results: 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, your ferritin may be returning to normal from whatever may have caused the anemia and tissue damage that may have raised it. It would have been helpful to have the actual values of your results. ...Read more

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My hemoglobin and hematocrit is 15.4 and 47.4 I want to know meaning and harm of this?

Why do you ask?: That's normal. It's high-normal for a young lady like yourself but it's no danger to your health; you may have been a bit dehydrated. ...Read more

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Can ferritin level be low when/if hemoglobin and hematocrit are normal (low end of normal range)?

Yes: Ferritin is the iron storage protein: excess iron in the body is carried by this protein and is used by red blood cells as needed. ...Read more

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What does it signify if your RBC, hemoglobin and hematocrit are low and have been for at least 6 months?

It is called Anemia: You should send us your lab results. From what you have described, you have Anemia which can be caused by many different reasons including excessive blood loss, Iron deficiency or lack of blood formation due to another reason. You should go see a medical doctor (Internist preferred) and request evaluation and further testing to find the cause and treat it. ...Read more

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Why would hemoglobin and hematocrit be low in a COPD patients?

Why would hemoglobin and hematocrit be low in a COPD patients?

Another illness: Anemia of chronic disease does not occur as a result of common emphysema / chronic bronchitis (the usual copd). If such a person is also anemia, another cause should be sought. Anything from being an vegetarian who doesn't know how to supplement to losing blood from an undiagnosed stomach cancer can be the cause. COPD is hard enough with an undiagnosed cause of anemia. Thanks for writing. ...Read more

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Do I need to go get a transfusion if my hemoglobin and hematocrit are low?

Do I need to go get a transfusion if my hemoglobin and hematocrit are low?

Not neccessarily: Blood transfusion is given if the anemia is symptomatic or very low due to active bleeding
asymptomatic anemias can be treated with IV iron or iron by mouth. ...Read more

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Does a low hemoglobin and hematocrit means you have a large spleen my my hbg was Range 11.3 11.5-15.0and my hematocrit was 34.6 Range36.0-50.0?

Many causes for it: Low Hemoglobin (Hb) commonly known as Anemia can be caused by many different reasons....enlarged spleen is present in some such conditions but it is uncommon, as most anemia is from blood loss or from deficiency of iron. You need a good doctor to investigate the cause and inform you about it so that you do not have to keep running to different doctors. ...Read more

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If hemoglobin and hematocrit from 9.5 to 10 and from 29 to 30.8 in a month after taking maltofer one pill a day, does it mean anemia I got is simple?

If hemoglobin and hematocrit from 9.5 to 10 and from 29 to 30.8 in a month after taking maltofer one pill a day, does it mean anemia I got is simple?

Not enough: Information to answer specifically. This is a treatment for iron deficiency. Have you been diagnosed with an iron issue? Has the possibility of blood loss been looked at? ...Read more

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Worried. Infused with remicade (infliximab) for yrs. Bloodwork's been fine till now: sed rate high (130), WBC & platelets h. Rbc, hemoglobin and hematocrit low.

Worried. Infused with remicade (infliximab) for yrs. Bloodwork's been fine till now: sed rate high (130), WBC & platelets h. Rbc, hemoglobin and hematocrit low.

Anemia: Anemia in setting of elevated citrate and long term use of remicaide should be worked up by a hematologist. We will look at all possible causes of anemia and order necessary tests as indicated. ...Read more