anaphylactic shock

• severe allergic reaction

• release of histamine

• generalized vasodilation (¯ vascular tone and ¯ SVR)

• increased capillary permeability (angioedema)

• upper airway obstruction

• laryngeal edema

• lower airway obstruction

• bronchospasm

 

• Epinephrine injection (to dilate airways and enable breathing)