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Hematology (spelled haematology in British English) is the branch of medicine concerned with the study of the cause, prognosis, treatment, and prevention of diseases related to blood. [ 1 ] [ 2 ] It involves treating diseases that affect the production of blood and its components, such as blood cells , hemoglobin , blood proteins , bone marrow ...
This is an incomplete list, which may never be able to satisfy certain standards for completion.. There are many conditions of or affecting the human hematologic system—the biological system that includes plasma, platelets, leukocytes, and erythrocytes, the major components of blood and the bone marrow.
Bleeding time may be affected by platelet function, certain vascular disorders and von Willebrand Disease—not by other coagulation factors such as haemophilia.Diseases that may cause prolonged bleeding time include thrombocytopenia, disseminated intravascular coagulation (DIC), Bernard-Soulier disease, and Glanzmann's thrombasthenia.
Hemoglobinopathies (congenital abnormality of the hemoglobin molecule or of the rate of hemoglobin synthesis) . Sickle cell disease; Thalassemia; Methemoglobinemia; Anemias (lack of red blood cells or hemoglobin)
Acute myeloid leukemia is more lethal than chronic myeloid leukemia, a disease that affects the same myeloid cells, but at a different pace. Many of the immature blast cells in acute myeloid leukemia have a higher loss of function and thus, a higher inability to carry out normal functions than those more developed immature myeloblast cells in ...
The erythrocyte sedimentation rate (ESR or sed rate) is the rate at which red blood cells in anticoagulated whole blood descend in a standardized tube over a period of one hour.
Fresh normal plasma has all the blood coagulation factors with normal levels. If the problem is a simple factor deficiency, mixing the patient plasma 1:1 with plasma that contains 100% of the normal factor level results in a level ≥50% in the mixture (say the patient has an activity of 0%; the average of 100% + 0% = 50%). [3]
Hereditary spherocytosis is the heritable hemolytic disorder, affecting 1 in 2,000 people of Northern European ancestry. [5] According to Harrison's Principles of Internal Medicine, the frequency is at least 1 in 5,000 within the United States of America. [6]