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Anemia of kidney failure [35] (also causing stem cell dysfunction) Other mechanisms of impaired RBC production Myelophthisic anemia [35] or myelophthisis is a severe type of anemia resulting from the replacement of bone marrow by other materials, such as malignant tumors, fibrosis, or granulomas. Myelodysplastic syndrome [35]
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]
In severe cases, anemia, seizures, coma, or death may occur. [1] [2] Exposure to lead can occur by contaminated air, water, dust, food, or consumer products. [2] Lead poisoning poses a significantly increased risk to children as they are far more likely to ingest lead indirectly by chewing on toys or other objects that are coated in lead paint. [2]
Although doctors frequently screen for anemia — where a person has too few red blood cells due to low levels of iron — in routine blood tests, people can have enough red blood cells but still ...
The therapeutic dose for iron deficiency anemia is 3–6 mg/kg/day. Individuals who have ingested less than 20 mg/kg of elemental iron typically do not exhibit symptoms. [ 4 ] It is unlikely to get iron poisoning from diet alone with iron supplements being the cause of overdose.
In severe cases, the neurological complications of pernicious anemia can lead to death – hence the name, "pernicious", meaning deadly. [citation needed] There is an increased risk of gastric cancer in those with pernicious anemia linked to the common feature of atrophic gastritis. [67] [68]
Aplastic anemia [2] (AA) [3] is a severe hematologic condition in which the body fails to make blood cells in sufficient numbers. Blood cells are produced in the bone marrow by stem cells that reside there. [4] Aplastic anemia causes a deficiency of all blood cell types: red blood cells, white blood cells, and platelets. [5] [6]
Symptoms of severe or rapid-onset anemia are very dangerous as the body is unable to adjust to the lack of hemoglobin. This may result in shock and death. Mild and moderate anemia have symptoms that develop slowly over time.[5] If patients believe that they are at risk for or experience symptoms of anemia, they should contact their doctor. [8]