Polycythemia
It is a rare disorder characterized by an
increase in the haemoglobin level and
RBC count above the normal range.
Aetiology
1.Congenital cyanotic heart disease.
2.Chronic pulmonary disease.
3.Chronic heart disease.
4.Polycythemia vera.
Investigations
1.Haemogram:High Hb,high RBC count.
2.Investigations for the aetiological
condition:Discussed in respective chapters.
Treatment
1.Treatment of the cause.
2.Periodic removal of the patient’s blood
to lower the Hb level.
3.Radioactive phosphorous:It destroys RBCs.
White Blood Cells
|
Type of WBC |
Site of production |
Function |
|
Polymorphonuclear |
Red bone marrow |
.Protection from infection |
|
Monocytes |
Red bone marrow |
. Protection from infection |
|
Lymphocytes Type B Type T |
Spleen,lymph nodes |
.prodction of antibodies .Destruction of foreign cells. |
|
Eosinophils |
Red bone marrow |
.Allergic reactions. .Hypersensitivity reaction. |
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