what is type I
immune reaction called?
what is the timing?
what antibodies are released?
what are the targeted cells?
what is the presentation?
- immediate hypersensitivity (severe)
- minutes to 2 hour, up to 48 h
- IgE (histamine mediated)
- mast cells (lungs, GI, connective tissue), basophils (blood)
- anaphylaxis, urticaria, angioedema, bronchospasm, CV collapse, resp collapse