PPT-Non-immune acquired haemolytic

anaemias M Alwash Assist Prof DrMaysem Causes of Nonimmune acquired haemolytic anaemias Infections Infections can cause haemolysis in a variety of ways . . Ch.16. What is Immunity?. Immunity is resistance to infection after a foreign antigen has penetrated the first line of defense,. Immunity is achieved naturally, by having the disease or the artificial immunization. . International . welcomes submissions that are original and technically so as to serve both the developing world and developed countries in the best possible way.. OMICS Journals are poised in excellence by publishing high quality research. . Immunology. - the study of host defense mechanisms. Immunity. -. ability of the host to protect itself against foreign organisms. Resistance to disease.. Antigen (Ag)- . is a foreign substance that can elicit specific immune response (IR) when is immunogenic. Essential Knowledge. 2.d.2 - Homeostatic mechanisms reflect both common ancestry and divergence due to adaptation to different environments (43.3).. 2.d.3 – Biological systems are affected by disruptions to their dynamic homeostasis (43.2-43.4).. Sofi. MD; FRCP (London); . FRCEdin. ; . FRCSEdin. Hemolytic anemia. is a form of anemia due to . hemolysis. , the abnormal breakdown of red blood cells (RBCs), either in the blood vessels (intravascular) or elsewhere in the human body (. HIV. (Human immunodeficiency virus)- a virus that attacks the immune system.. Infection with HIV can be prevented. Responsible decisions is the most valuable tool for protection against HIV.. Example: Abstinence from sexual activity and injecting drugs reduce your risk.. Learning objectives. By the end of this session student will be able to. . Define innate immunity, acquired immunity. . To understand cells involved in . innate . and acquired . immunity. IMMUNITY. By . Dr. Sunita Mittal. Learning Objectives. To understand about acquired or adaptive immunity. Steps of humoral immune response. Steps of cellular immune response. Cytokines. Unwanted effects of immune system. Immune Response. Adaptive Immune. 2. Adaptive or Acquired Immune Response. Protects against infectious agents and abnormal body cells . Amplifies the inflammatory . response. Activates complement. 3. Syndromes. Samin. . Alavi. Pediatric hematologist oncologist. PCHD-RC, . Shahid. . Beheshti. University of Medical Sciences. Tehran/Iran. Kish- Nov 2018. Diagnosis of HLH. Diagnostic criteria for HLH were proposed by the Histiocyte Society in 1991. Assist. Prof.:. Dr.Maysem. The acquired . haemolytic. . anaemias. are usually divided into . two main . categories, depending on the mechanism by which . the premature . destruction of red blood cells is produced. . anaemia. Drug Induced Immune Haemolytic . Anaemia. . Dr Eileen Ryan, . SpR. . Haematology. Aisling Costello, Senior Medical Scientist. Irish Blood Transfusion Service. Red Cell . Immunohaematology. A. Anatomical barriers to infections. 1.Mechanical Factors. Skin. : physical barrier and impermeable to most infectious agents. The desquamation of skin epithelium also helps remove bacteria and other infectious agents that have adhered to the epithelial surfaces. . Adaptive . Non-adaptive (. cell injury-----cell death). hypertrophy. Dysplasia. hyperplasia. neoplasia. Atrophy. Degeneration. Metaplasia. Necrosis, apoptosis. & gangrene. Reversible. Reversible* / Irreversible.