9/17/2023 0 Comments High rbc levelsThis hormone increase is in response to low blood oxygen, caused by heart disease or high altitude continual exposure to carbon monoxide (heavy smoking) chronic lung disease, congenital (hereditary) disorders producing an abnormal hemoglobin or an overproduction of EPO and diseases such as kidney disease. Secondary polycythemia is due to an increase in RBC counts following an increase in the hormone erythropoietin. Men have a higher haemoglobin: What are normal values? True polycythemia may be primary and is then called polycythemia vera, a myeloproliferative disorder in which the RBC count increases without being stimulated by the red blood cell stimulating hormone erythropoietin.Īlso read: How to understand your blood tests reports? The secondary increase can be due to dehydration, diuretic drugs, burns, stress, or high blood pressure. It can be raised due to many reasons and these causes may be subdivided into whether there is a true or absolute erythrocytosis (polycythemia) due to an increase in red cells or an apparent erythrocytosis when the red cells are not increased but are instead more concentrated. The normal hemoglobin value in an adult male can range upto 18 g/dl. Many times, the high hematocrit is noticed when a person has a blood count done as part of an exam for an unrelated complaint. There are no specific symptoms or physical signs although the underlying disease may cause the patient to seek medical help. Erythrocytosis is not a disease but is usually part of some other problem. Red blood cell production is governed by a hormone called erythropoietin that is secreted by the kidney. This increase in red cells may show in a blood test result as an increase in red cell number, or as a rise in haemoglobin, or packed cell volume. The presence of an elevated red cell count is called erythrocytosis or a polycythaemia. Men have higher results than women do and newborn babies have higher values than adults. The number of red cells normally present varies according to a persons age and sex. Do high haemoglobin levels lead to any health problems? The doctors do not seem to be concerned about it. Q: I did my complete blood count (CBC) which showed high haemoglobin, slightly higher hematocrit and elevated RBC.
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