Yahoo source: http://health.yahoo.com/health/dc/000571/0.html
|Hemolytic anemia is a condition of an
inadequate number of circulating red blood cells (anemia),
caused by premature destruction of red blood cells. There are a number
of specific types of hemolytic anemia which are described individually.
|Anemia - hemolytic
|Causes, incidences, and risk factors
|Hemolytic anemia occurs when the bone
marrow is unable to compensate for premature destruction of red blood
cells by increasing their production. When the marrow is able to
compensate, anemia does not occur.
There are many types of hemolytic anemia, which are classified by the
location of the defect. The defect may be in the red blood cell itself (intrinsic
factor), or outside the red blood cell (extrinsic factor).
Causes of hemolytic anemia include infection, certain medications,
autoimmune disorders, and inherited disorders. Types of hemolytic anemia
- Sickle cell anemia
- Paroxysmal nocturnal hemoglobinuria
- Hemoglobin SC disease
- Hemolytic anemia due to G6PD deficiency
- Hereditary elliptocytosis
- Hereditary spherocytosis
- Hereditary ovalocytosis
- Idiopathic autoimmune hemolytic anemia
- Non-immune hemolytic anemia caused by
chemical or physical agents
- Secondary immune hemolytic anemia
- Sickle thalassemia
|There is no known prevention for
|Signs and tests
|These are tests for hemolysis
(red blood cell destruction). There are specific tests which identify
the specific types of hemolytic anemia. They are performed after
hemolysis has been established.
Direct measurement of the red cell life span by isotopic tagging
techniques shows a decreased life span.
This disease may also alter the following test results depending on the
electrophoresis - serum
- Febrile or cold
- 24 hour urine
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