It may also signify internal bleeding, kidney disease or malnutrition (where a person's diet does not contain enough nutrients to meet their body's needs). The results of an RBC count can be used to help diagnose blood-related conditions, such as iron deficiency anaemia (where there are less red blood cells than normal).Ī low RBC count could also indicate a vitamin B6, B12 or folate deficiency. Most patients have symptoms when the relative viscosity is greater than 4 cP, but the. Hyperviscosity can precipitate or exacerbate heart failure. Dizziness, headache, vertigo, nystagmus, decreased hearing, ataxia, paresthesias, diplopia, somnolence, and coma may occur. The normal ranges are a guide and can vary between different hospital laboratories. The patient occasionally complains of blurring or loss of vision. Women usually have a lower RBC count than men, and the level of red blood cells tends to decrease with age. Hemoglobin is a protein in your red blood cells that carries oxygen to your body's organs and tissues and transports carbon dioxide from your organs and tissues back to your lungs. The amount of oxygen that's delivered to your body's tissues depends on the number of red blood cells you have and how well they work.Īn RBC count is usually carried out as part of a full blood cell (FBC) count. A hemoglobin test measures the amount of hemoglobin in your blood. Red blood cells contain a substance called haemoglobin, which transports oxygen around the body. A red blood cell (RBC) count is a blood test that tells you how many red blood cells you have.
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