The kidneys increase the production of erythropoietin, which is a glycoprotein that stimulates red blood cell production in the bone marrow. When the blood oxygen levels are low, the body produces more red blood cells to compensate for low oxygen levels. Heart failure, enlargement of the right ventricle of the heart due to pulmonary diseases (cor pulmonale), emphysema, pulmonary fibrosis, chronic obstructive pulmonary disease, etc., are some conditions that may cause high hemoglobin levels. Heart and lung conditions that are characterized by low oxygen levels can also affect the hematological values. As a result, the number of red blood cells would be higher in comparison to the blood volume. Dehydrationĭehydration could also alter the hemoglobin and hematocrit values, as loss of fluids reduces the blood volume. During this procedure, an incision is made in a vein for collecting venous blood. Phlebotomy is often suggested for people affected by this condition. Affected individuals are at a great risk of developing complications due to clotting or bleeding problems. This leads to increased blood volume and viscosity.
This is a medical condition wherein the body produces too many red blood cells. Here are some of the common contributing factors for high levels of hemoglobin, as well as hematocrit. High hemoglobin and hematocrit could be a sign of polycythemia vera. Hematocrit values could be affected by the size, as well as the numbers of the red blood cells. When the hematocrit value is higher than the normal range, it is usually indicative of an elevated red blood cell count. Causes of Elevated Hematocrit and Hemoglobin High levels of hematocrit could also be indicative of health problems. Since hemoglobin is associated with the oxygen-carrying capacity of blood, problems could arise if hemoglobin levels are lower or higher than the normal range. Besides transporting oxygen to the bodily tissues, hemoglobin molecules also bind to carbon dioxide, and transport carbon dioxide from the tissues to the lungs. Oxygen from the lungs binds to the iron within the hemoglobin molecules to form a compound called oxyhemoglobin. Hemoglobin not only imparts red color to the red blood cells, it also transports oxygen-rich blood to the cells and tissues of the body. The red blood cells contain a conjugated iron-carrying protein called hemoglobin. Hematocrit, which is also called packed cell volume, refers to the percentage of blood volume that is made up of the red blood cells. Red blood cells, which are also referred to as erythrocytes, perform the vital function of transporting oxygen. The following write-up provides information on the circumstances under which a person may have high hemoglobin and hematocrit.īlood is a specialized body fluid that comprises blood platelets, white blood cells, red blood cells, and blood plasma. Hemoglobin is the oxygen-carrying protein that is present in the red blood cells, whereas hematocrit is the percentage of the volume of blood that is made up of red blood cells.
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