B.Sc. NURSING 💊💉: post #229 — TG.ME

HYPER SENSITIVITY REACTIONS 👉Type 1 hypersensitivity reaction: ➢ also known as immediate subtype of hypersensitivity reaction. ➢ Immune reactant : Ig E ➢ Examples: A- atopy B- bronchial asthma C- casoni’s test D- drugs induced hyper sensitivity reaction. 👉Type 2 hypersensitivity reaction: Examples: Mnemonics- my blood group is RH positive. ➢ Myasthenia gravis ➢ Blood transfusion reaction ➢ Good pasture syndrome ➢ Grave’s disease ➢ Immune haemolytic anemia ➢ Immune thrombocytopenia ➢ Rheumatic heart disease ➢ Hyper acute transplant rejection ➢ Pernicious anemia ➢ Pemphigus vulgaris. 👉Type 3 hypersensitivity reaction: Examples: Mnemonic-SHARP ➢ Sharp ➢ Henoch – scholein purpura ➢ Arthus reaction ➢ Reactive arthritis, raji’s assay ➢ Polyarthritis nodosa. 👉Type 4 hypersensitivity reaction: Examples: ➢ Rheumatoid arthritis ➢ Mantoux test, lepromin test ➢ Tuberculin test ➢ Multiple sclerosis ➢ Contact dermatitis