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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.
Menstrual bleeding is a common cause of iron deficiency anemia in women of childbearing age. [28] Women with menorrhagia (heavy menstrual periods) are at risk of iron deficiency anemia because they are at higher than normal risk of losing more iron during menstruation than is replaced in their diet. Most women lose about 40 mL of blood per cycle.
The anticonvulsant drug, lamotrigine, has been associated with a decrease in white blood cell count. [2] The FDA monograph for metronidazole states that this medication can also cause leukopenia, and the prescriber information suggests a complete blood count, including differential cell count, before and after, in particular, high-dose therapy. [3]
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 ...
The normal range is 20 to 200 ng/mL for men and 15 to 150 ng/mL for women. [8] Low levels (< 12 ng/mL) are specific for iron deficiency. [4] However, inflammatory and neoplastic disorders can cause ferritin levels to increase – this may be seen in cases of hepatitis, leukemia, Hodgkin lymphoma, and GI tract tumors. [4]
When suspected, diagnosis is made by blood tests initially a complete blood count, and occasionally, bone marrow tests. [6] Blood tests may show fewer but larger red blood cells , low numbers of young red blood cells , low levels of vitamin B 12 , and antibodies to intrinsic factor. [ 6 ]
A reticulocyte count that is high, normal or low will aid with the classification process. A high reticulocyte count signifies that bone marrow processes are normal. A low reticulocyte count would signify there is a problem at the level of the bone marrow, which produce the stem cells. Acute blood loss would result in a high reticulocyte count ...
There are other causes besides what happens within the body in the blood cells. Other factors that can cause an excess amount of hemoglobin are: Smoking (which may result in low blood oxygen levels) Higher altitudes where your red blood cell production naturally increases to compensate for the lower oxygen supply there
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