Anemia
Synonyms
Deficiency of erythrocytes
Definition
Deficiency of erythrocytes refers to a reduction of
red blood cells (erythrocytes) and/or dysfunction or
decreased concentration of hemoglobin (the oxygencarrying
protein in the red blood cells) and/or decreased
hematocrit (packed cell volume; volume percentage of
red blood cells in the blood) resulting in reduced vitality.
Causes of anemia may be in the production of
red blood cells (hematopoiesis), the function of the
cells, or an excessive destruction of red blood cells
(hemolysis). Chronic and severe bleeding, pregnancy,
infections, cancer and malnutrition may induce anemia.
Signs and symptoms of anemia may be shock, fatigue,
reduced vitality, dyspnea, tachycardia and angina pectoris.
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