Anemia – is a whole group of pathological conditions which combines a decrease in hemoglobin concentration and / or red blood cells per unit volume of blood. Anemia is a consequence of the interruption of the body’s cells with oxygen and the corresponding changes in them. Magnitude of these changes depends on the degree of anemia and the speed of its development.
Distinguish types of anemia as a result of blood loss, destruction of red blood cells and various violations in the formation of red blood cells.
Among the common symptoms of anemia include such ailments as: weakness, pale skin, shortness of breath, tachycardia, dizziness, fainting. In acute anemia (due to heavy bleeding) occurs rapidly blanching of the skin and mucous membranes, a sharp weakening of cardiac activity, the drop rate (collapse), cold extremities, loss of consciousness. In chronic anemia (chronic poisoning, hidden bleeding) is also noticeable pale skin and mucous membranes, fatigue, weakness, dizziness and headaches.
Blood disease may be associated with some loss of red blood cells (due to bleeding wounds or accidents) or with hemolysis (increased destruction of red blood cells available). Another very common cause of anemia is anerythroplasty in the bone marrow.
The main cause of anemia becomes insufficient amount of iron, vitamin B12 important or necessary for the body of folic acid. Anemia can also be a result of blood loss due to gastrointestinal bleeding, which may be associated with stomach ulcers, polyps, hemorrhoids and cancer.