Ram Devi presented with generalized edema sweating and flushing tachycardia and fever after bee sting. This is:: (A) T cell mediated cytotoxicity, (B) IgE mediated reaction, (C) IgG mediated reaction, (D) IgA mediated hypersensitivity reaction
Answer is B. The symptoms of the patient are due to hypersensitivity type I reaction Type I is mediated by IgE and it flairs up within minutes. The symptoms range form rashes to anaphylactic shock with vasodilation hypotension and bronchiolar spasm.