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Condition name ICD-10 coding number Diseases Database coding number Medical Subject Headings Iron-deficiency anemia: D50: 6947: Iron-deficiency anemia (or iron deficiency anaemia) is a common anemia that occurs when iron loss (often from intestinal bleeding or menses) occurs, and/or the dietary intake or absorption of iron is insufficient.
Hematocrit levels that are too high or too low can indicate a blood disorder, dehydration, or other medical conditions. [4] An abnormally low hematocrit may suggest anemia , a decrease in the total amount of red blood cells, while an abnormally high hematocrit is called polycythemia . [ 5 ]
When hematocrit levels are lower than that percentage, the MAP decreases in response, which may be due, in part, to the increase in viscosity and the decrease in plasma layer width. [ 22 ] Furthermore, affected individuals may have other associated conditions alongside high blood pressure , including formation of blood clots .
One study found the median age at diagnosis to be 60 years, [9] while a Mayo Clinic study in Olmsted County, Minnesota found that the highest incidence was in people aged 70–79 years. [40] The overall incidence in the Minnesota population was 1.9 per 100,000 person-years, and the disease was more common in men than women. [40]
Blood becomes less viscous at high shear rates like those experienced with increased flow such as during exercise or in peak-systole. Therefore, blood is a shear-thinning fluid. Contrarily, blood viscosity increases when shear rate goes down with increased vessel diameters or with low flow, such as downstream from an obstruction or in diastole .
General signs and symptoms include fatigue, pallor, shortness of breath, and tachycardia. [2] In small children, failure to thrive may occur in any form of anemia. [6] [7] In addition, symptoms related to hemolysis may be present such as chills, jaundice, dark urine, and an enlarged spleen. [2]
A vitamin B12 level of less than 200 pg/mL is considered deficient. Treatment First, have your health care provider run blood tests to see if you truly have a B12 deficiency.
Symptoms of AIHA may be due to the underlying anemia; including shortness of breath or dyspnea, fatigue, headache, muscle weakness and pallor. [10] In cold agglutinin disease (cold antibody type), agglutination and impaired passage of red blood cells through capillaries in the extremities causes acrocyanosis and Raynaud phenomenon with a rare complication of gangrene [4]