Excessive hemoglobin concentration can cause high blood viscosity, slow blood flow and tissue hypoxia, which is manifested as headache, dizziness, hyperhidrosis, fatigue, forgetfulness, tinnitus, dizziness, vision loss, numbness and tingling in limbs. There are two main reasons for high hemoglobin concentration, one is hypoxia, plateau area, chronic emphysema, and the other is dehydration, dehydration and blood concentration, so hemoglobin will be high. Mainly these two situations. Slightly higher, of course. If there are no clinical symptoms, special treatment is generally not needed.

(1) Patients with severe vomiting, diarrhea, extensive burns and advanced digestive tract tumors. Most of them are caused by the relative increase of tangible components in blood due to the concentration of dehydrated blood.

⑵ Cardiopulmonary diseases: congenital heart disease, chronic lung disease and chronic carbon monoxide poisoning. Due to lack of oxygen, a large number of red blood cells must be used to maintain oxygen supply.

(3) Stem cell disease: polycythemia vera.

Red blood cells contain a lot of hemoglobin (Hb), and the functions of red blood cells are mainly performed by hemoglobin. Hemoglobin not only acts as a blood buffer, but also carries oxygen (O2) and carbon dioxide (CO2).

According to experts, patients with severe vomiting, diarrhea, hyperhidrosis, extensive burns, diabetes insipidus, hyperthyroidism crisis, diabetic acidosis, etc. Due to excessive water loss in plasma, blood concentration will occur, and the amount of red blood cells and hemoglobin will increase significantly. Chronic heart disease, pulmonary heart disease, cyanotic congenital heart disease, etc. Due to tissue hypoxia, the amount of red blood cells and hemoglobin in the blood increased compensatory.