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학습 자료 둘러보기 →The most critical indicator is the combination of stridor (signaling laryngeal edema) and severe hypotension (70/40 mmHg). This represents simultaneous airway compromise and cardiovascular collapse, the two primary causes of death.
Immediate administration of intramuscular epinephrine into the anterolateral thigh is the first-line intervention to reverse bronchospasm, vasodilation, and edema. Delays are associated with progression to cardiac arrest.
Do not be distracted by isolated cutaneous or gastrointestinal symptoms. A blood pressure drop alone is not diagnostic; look for respiratory distress or stridor to confirm a life-threatening anaphylactic reaction.
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