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Anemia or anaemia (British English) is a blood disorder in which the blood has a reduced ability to carry oxygen. This can be due to a lower than normal number of red blood cells, a reduction in the amount of hemoglobin available for oxygen transport, or abnormalities in hemoglobin that impair its function. [ 3 ][ 4 ] The name is derived from ...
54,200 (2015) [ 7 ] Iron-deficiency anemia is anemia caused by a lack of iron. [ 3 ] Anemia is defined as a decrease in the number of red blood cells or the amount of hemoglobin in the blood. [ 3 ] When onset is slow, symptoms are often vague such as feeling tired, weak, short of breath, or having decreased ability to exercise. [ 1 ]
Hypochromic anemia is a generic term for any type of anemia in which the red blood cells are paler than normal. (Hypo - refers to less, and chromic means colour.) A normal red blood cell has a biconcave disk shape and will have an area of pallor in its center when viewed microscopically. In hypochromic cells, this area of central pallor is ...
Iron deficiency, or sideropenia, is the state in which a body lacks enough iron to supply its needs. Iron is present in all cells in the human body and has several vital functions, such as carrying oxygen to the tissues from the lungs as a key component of the hemoglobin protein, acting as a transport medium for electrons within the cells in the form of cytochromes, and facilitating oxygen ...
Microcytic anaemia is any of several types of anemia characterized by smaller than normal red blood cells (called microcytes). The normal mean corpuscular volume (abbreviated to MCV on full blood count results, and also known as mean cell volume) is approximately 80–100 fL. When the MCV is <80 fL, the red cells are described as microcytic and ...
If the symptoms are serious, frequent injections are typically recommended initially. [7] There are not enough studies that pills are effective in improving or eliminating symptoms. [12] Often, treatment may be needed for life. [13] Pernicious anemia is the most common cause of clinically evident vitamin B 12 deficiency worldwide. [14]
A hemoglobin test measures the amount of hemoglobin in your blood. If a hemoglobin tests shows that a person's levels are below normal, it means they have a low red blood cell count, which is known as anemia. If the test shows higher levels than normal, it means they have hemoglobinemia. [citation needed] The normal range for hemoglobin is:
Thalassemias are inherited blood disorders that result in abnormal hemoglobin. [ 7 ] Symptoms depend on the type of thalassemia and can vary from none to severe. [ 1 ] Often there is mild to severe anemia (low red blood cells or hemoglobin) as thalassemia can affect the production of red blood cells and also affect how long the red blood cells ...
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