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Reactions to Intravascular Iodinated Contrast Media

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Reactions to Intravascular Iodinated Contrast Media

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Questions and Answers

What type of reactions can occur in response to intravascular iodinated contrast media?

Immune and nonimmune reactions

Anaphylactoid and idiosyncratic reactions

Idiosyncratic and anaphylactic reactions

Physiologic and allergic reactions (correct)

What is the primary difference between an allergic reaction and an idiosyncratic reaction?

The severity of the reaction

The timing of the reaction

The type of symptoms presented

The mechanism of action (correct)

What is another term for idiosyncratic reactions?

Physiologic reactions

Anaphylactoid reactions (correct)

Immune reactions

Allergic-like reactions

What type of immune response is involved in an allergic reaction to intravascular iodinated contrast media?

IgE-mediated response Signup and view all the answers

What type of reaction is an allergic-like reaction?

Idiosyncratic reaction Signup and view all the answers

What is a key difference between allergic and idiosyncratic reactions to iodinated contrast media?

The predictability of the reaction Signup and view all the answers

What is a characteristic of idiosyncratic reactions to iodinated contrast media?

They are unpredictable and independent of dose Signup and view all the answers

What is the primary mechanism of allergic-like reactions to iodinated contrast media?

Release of histamine from mast cells Signup and view all the answers

What type of reaction is most likely to occur in response to intravascular iodinated contrast media?

Anaphylactoid reaction Signup and view all the answers

What is a common feature of both allergic and idiosyncratic reactions to iodinated contrast media?

They can be fatal Signup and view all the answers