Haematology is the science or study of blood that deals with the pathology, diagnosis and treatment of blood-related diseases/disorders. It involves:
- The five types of white blood cells: Neutrophils, Monocytes, Lymphocytes, Eosinophils and Basophils.
- Red blood cells also known as Erythrocytes, are essential for oxygen carriage.
- Platelets also known as Thrombocytes are essential for clotting and
- Plasma the liquid component of blood that carries the blood cells through the body; nutrients, waste, antibodies, proteins, and hormones are also transported in this medium.
There are four major areas of study within haematology; they are:
- Haemoglobinopathy – the study of abnormality in the globin chains of haemoglobin molecules.
- Haematological malignancies – the study of cancers of the bone marrow, blood and lymph nodes.
- Anemia – the study of the loss of haemoglobin from the blood and
- Coagulopathy – The study of unusual bleeding and clotting factor deficiencies.
When a Complete Blood Count (CBC) is requested, the white blood cells, red blood cells and platelets are observed and any abnormalities are noted.
Persons on anticoagulants or have deep vein thrombosis (DVT) diagnosis must have coagulation studies (PT/PTT) performed to determine if the blood is clotting adequately.
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