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What does a high hemoglobin mean?

2 doctors weighed in
Dr. Michael Benjamin
Internal Medicine - Hematology & Oncology
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In brief: Polycythemia

There are only a few causes of a high hemoglobin.
We divide these cases into primary and secondary high hemoglobin, or "polycythemia." secondary means caused by heart disease, hypoxemia, tobacco, sleep apnea. Primary means a benign blood disease called polycythemia vera. A hematologist can usually determine which type of polycythemia a patient has.

In brief: Polycythemia

There are only a few causes of a high hemoglobin.
We divide these cases into primary and secondary high hemoglobin, or "polycythemia." secondary means caused by heart disease, hypoxemia, tobacco, sleep apnea. Primary means a benign blood disease called polycythemia vera. A hematologist can usually determine which type of polycythemia a patient has.
Dr. Michael Benjamin
Dr. Michael Benjamin
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