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학습 자료 둘러보기 →The most critical nursing action before an intravenous pyelogram (IVP) is to assess for allergies to iodine, shellfish, or any prior contrast media reactions. This identifies patients at risk for a hypersensitivity reaction.
A reported allergy does not guarantee a reaction, but it flags a predisposition. Reactions are Type B adverse events, meaning they are unpredictable and not dose-dependent. The nurse must notify the provider and radiologist immediately if an allergy is identified.
Do not assume a shellfish allergy is a direct cross-reactivity to iodine; it serves as a marker for general allergic predisposition. Always verify facility protocols for premedication with steroids and antihistamines for high-risk patients.
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