<prompt> Ram Devi presented with generalized edema sweating andT cell mediated cytotoxicityIgG mediated reactionIgE mediated reactionIgA mediated hypersensitivity reaction  <response>: The symptoms of the patient are dt hypersensitivity type I reaction Type I is mediated by IgE and it flairs up within minutes.The symptoms range from rashes to anaphylactic shock with vasodilatory hypotension and bronchiolar spasm.Examples of type IEczemaHay feverAsthmaAnaphylactic shockUrticariaA cute dermatitis Theobald Smith reaction Other hypersensitivity reactionsType IIis characterized by an antigen-antibody reaction on the surface of a host cell.Mediated by IgG or IgM.Examples1. Blood transfusion reactions 2. Transplant rejection 3. Autoimmune hemolytic anaemia4. Autoimmune thrombocytopenic purpura 5. Diabetes disease6. Good pastures syndrome 7. Graves disease8. Myasthenia gravis9. Pemphigus0. Pernicious anaemia1. Rheumatic feverType HI reactionsMediated by antigenantibody complex.Examples1. PAN2. Post streptococcal glomerulonephritis3. Rheumatoid arthritis4. Systemic lupus erythematosus5. Acute viral hepatitis6. Penicillamine toxicity7. Serum sickness8. Arthus reactionType IV reactionCell-mediated reaction delayed hypersensitivity.Examples1. Tuberculosis2. Sarcoidosis3. Temporal arteritis4. Contact dermatitis not that acute dermatitis in type I5. Lepromin test6. Patch test7. PPD 