A very important branch of internal medicine is hematology which is the study of blood, blood diseases, and blood-forming organs. This branch called hematology also studies the diagnosis, treatment, etology, prognosis and prevention of very serious blood diseases. Hematologists are also often called oncologists due to their study in cancers of the blood.
Some hematologists are dedicated and specialized to view bone marrow slides or blood films that will result in seeing what a hematological test result will show. Other hematologists will devote their career to caring for and treating their patients who suffer with a type of hematological disease. Depending on the venue, the hematologist may also operate and manage the entire hematology laboratory.
Those who go even further into the field of hematology may decide to specialize in treating blood diseases and disorders such as hemophilia, anemias, leukemia, lymphoma, hemoglobinopathies. They will also be advanced in blood transfusions, blood banks, bone marrow transplants and stem cell transplants. Unfortunately, only a very few blood disorders can be cured. Most of them need to be constantly treated and monitored.
The study of hematology has produced much knowledge in the field of blood diseases and disorders. Those who study this field can give proper diet advice to help patients have healthier blood. They can prescribe the proper medications to keep the disorder in check. Hematology has taught many about anticoagulation therapy which is the clotting of blood. Vitamin B12 injections have become readily used for many patients. Venesection has been used to correct iron overload in the blood. Bone marrow transplants have been successfully performed for the treatment of leukemia. The hematologist also studies all kinds of chemotherapy and radiotherapy for the treatment of blood cancers.
The simple explanation of the study of hematology is understanding that blood is tissue that flows throughout the entire body. It's importance is that it carries nutrients and oxygen to every part of the body while carrying waste products back to the lungs, liver and kidneys to be disposed of. Blood is necessary for temperature and fluid balance, the immune system, hydraulic fluid for certain body functions and a passage for hormonal messages.
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