Is high hemoglobin level dangerous? Why?
Yes, constant high levels of hemoglobin occurs due to lack of oxygen in the blood. It is dangerous because it can cause blood clots.
Last updated on 12 Dec 2024
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).
If your doctor suspects that you have polycythemia vera, he or she might recommend collecting a sample of your bone marrow through a bone marrow aspiration or biopsy
Polycythemia vera result in sideroblastic anemia because the marrow can no longer produce blood cells resulting in low levels of healthy functioning red blood cells causing anemia, platelets (thrombocytopenia) and white blood cells (leukopenia).
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.
Hemoglobin E (HbE) is an extremely common structural hemoglobin variant that occurs at high frequencies throughout many Asian countries. It is a beta-hemoglobin variant, which is produced at a slightly reduced rate and hence has the phenotype of a mild form of beta thalassemia.
Hemoglobin, Iron Test
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