Blood test shows high red blood cells

Blood test is a common examination method in clinical medicine. It mainly determines whether the human body has any disease by examining the human blood. Red blood cells are a common substance in the blood. If the red blood cells in the blood are high, then the patient needs to pay attention. Below, I will introduce you to the relevant knowledge about red blood cells in detail.

1. Normal range of red blood cells

1. Male

3.8 million to 6 million/mm3; normal indicator: 4.0-5.5X1012 pieces/liter.

2. Women

3.8 million to 5.5 million/mm3; normal indicator: 3.5-5.0X1012 pieces/liter.

2. Causes of secondary erythrocytosis

The absolute number of red blood cells in the blood increases due to various reasons, which is mostly related to the body's circulation and tissue hypoxia. Secondary increase can be divided into physiological increase and pathological increase.

(1) Physiological increase: Due to insufficient oxygen in the environment or certain special reasons, the body experiences tissue hypoxia, causing an increase in red blood cells. It is more common in fetuses and newborns, and people who are in an oxygen-deficient environment for a long time, such as in plateau areas. In addition, drinking too little water or sweating too much, excreting too much water, etc. can also lead to high red blood cell counts.

(2) Pathological increase: Generally caused by insufficient lung ventilation, which puts the body in a state of hypoxia and causes an increase in red blood cells. It is common in lung diseases such as bronchiectasis, cor pulmonale, obesity, pulmonary arteriovenous fistula, cyanotic congenital heart disease, abnormal hemoglobin disease, etc.

In other cases, the patient does not have tissue hypoxia, but the bone marrow's function of producing red blood cells is enhanced. However, the increase in red blood cells is not needed by the body and has no compensatory significance, which can also cause an increase in red blood cells. It is more common in certain tumors or kidney diseases, such as nephroblastoma, adrenal tumor, polycystic kidney, renal artery stenosis, hemangioblastoma, etc.

3. What should I pay attention to if my red blood cells are too high?

1. Pay attention to low salt and low fat in diet, eat more high-vitamin foods; quit smoking and drinking, and avoid eating raw, cold and spicy foods.

2. Control the intake of high-protein foods and foods that have blood-enriching functions, such as red dates, red beans, etc.

3. Develop good living habits, engage in appropriate physical exercise, promote metabolism and enhance resistance.

4. Carry out regular inspections to detect abnormal situations in a timely manner.