Hematology Hematology Hematology, also spelled haematology, is the branch of medicine concerned with the study of the cause, prognosis, treatment, and prevention of diseases related to blood. It involves treating diseases that affect the production of blood and its components, such as blood cells, hemoglobin, blood proteins, bone marrow, platelets, blood vessels, spleen, and the mechanism of coagulation. Such diseases might include hemophilia, blood clots, other bleeding disorders and blood cancers such as leukemia, multiple myeloma, and lymphoma. The laboratory work that goes into the study of blood is frequently performed by a medical technologist or medical laboratory scientist. Many hematologists
Stress-related disorders are critically ill, or in those who are under extreme physiologic stress, causing blood loss that can require blood transfusion. Ordinary peptic ulcers are found commonly in the “gastric antrum and the duodenum” whereas stress ulcers are found commonly in “fundic mucosa and can be located anywhere within the stomach and proximal duodenum”. Stress-related disorders Stress-related disorders can include mental health disorders that are a result of an atypical response to both short and long-term anxiety due to physical, mental, or emotional stress. These disorders can include, but are not limited to obsessive-compulsive disorder and posttraumatic stress disorder. Stress is