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What are elevated hemoglobin and hemocrit?

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What are elevated hemoglobin and hemocrit?

Both the hemoglobin and the hematocrit are based on whole blood and are therefore dependent on plasma volume. If a patient is severely dehydrated, the hemoglobin and hematocrit will appear higher than if the patient had sufficient water. However, if the patient is fluid overloaded, they will be lower than their actual level.

Last updated on 09 Dec 2024

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Related Questions

My haemoglobin is 18.4, is it dangerous?

Yes, it is on the higher side and you may be suceptible to bruising and blood clots.

Last updated on 09 Dec 2024

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Why does cyanosis occur in polycythemia?

When the red blood cell count reaches a critical number, the flowability of the blood decreases leading to restricted blood circulation. This causes a blue coloration of the skin (cyanosis).

Last updated on 09 Dec 2024

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How does polycythemia vera lead to thrombocytopenia?

Thrombocytopenia could be due to an increased platelet aggregation and adhesion caused by hyperviscosity. The marrow can no longer produces blood cells resulting in low levels of healthy, functioning red blood cells which causes anemia, platelets (thrombocytopenia) and white blood cells (leukopenia).

Last updated on 09 Dec 2024

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Does low hemoglobin cause hypertension?

Yes, both low or high hemoglobin count are associated with cardiovascular risks and hypertension.

Last updated on 09 Dec 2024

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How can I treat spurious polycythemia?

The most common treatment for polycythemia vera is having frequent blood withdrawals, using a needle in a vein (phlebotomy). It's the same procedure used for donating blood. This decreases your blood volume and reduces the number of excess blood cells

Last updated on 09 Dec 2024

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