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Anemia |
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Anemia Anemia, one of the more common blood disorders, occurs when the number of healthy red blood cells decreases in the body. The disc-shaped red blood cells contain hemoglobin, a unique molecule that carries oxygen to the body's tissues.
If you have anemia, people may say you have tired blood. That's becaus e anemia - a condition in which there aren't enough healthy red blood cells to carry adequate oxygen to your tissues - can make you feel tired.Many types of anemia exist, each with its own cause. The cause may be an iron or vitamin deficiency, blood loss, a chronic illness, or a genetic or acquired defect or disease. It may also be a side effect of a medication. Anemia can be temporary or long-term. It can range from mild to severe. If you suspect you have anemia, see your doctor. Anemia can be a sign of serious illnesses, such as cancer or kidney disease. Treatments for anemia range from taking vitamin and iron supplements to undergoing medical procedures, such as blood transfusions or surgery. You may prevent some types of anemia by eating a healthy, varied diet. Definition Anemia is a lower than normal number of red blood cells (erythrocytes) in the blood, usually measured by a decrease in the amount of hemoglobin. Hemoglobin is the red pigment in red blood cells that transports oxygen.There are many types and potential causes of anemia. For information about a specific type of anemia, see one of the following articles:
Causes, incidence, and risk factors The cause varies with the type of anemia. Potential causes include blood loss, nutritional deficits, many diseases, medication reactions, and various problems with the bone marrow. Iron deficiency anemia is most common in women who have heavy menstrual periods. Risk factors include heavy periods, pregnancy, older age, and diseases that cause anemia. Symptoms Possible symptoms include:
Signs and tests The doctor will perform a physical examination. He or she will look for the presence of a pale complexion and rapid heart rate. Anemia can be confirmed by a red blood count or hemoglobin level. Other tests depend on the type of anemia. Anemia is divided into following types
It affect the most Anemia can occur at any age, but people at the extremes of age are more susceptible. Females (especially in the age group of 15-45) are more prone to anemia. Anemia progress Reduction below normal of
Causes of Anemia Anemia results from one or more combinations of three basic factors:-
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