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Questions and Answers
Which type of reaction is often referred to as 'idiosyncratic' due to its unexpected nature?
Which type of reaction is often referred to as 'idiosyncratic' due to its unexpected nature?
- Idiopathic
- Chemotoxic
- Vasovagal
- Anaphylactoid (correct)
Which of the following is a symptom of moderate reactions to contrast media?
Which of the following is a symptom of moderate reactions to contrast media?
- Nausea
- Anxiety
- Tachycardia (correct)
- Rash
Which type of reaction is more predictable and better understood than an anaphylactoid reaction?
Which type of reaction is more predictable and better understood than an anaphylactoid reaction?
- Idiopathic
- Nonanaphylactoid (correct)
- Combined
- Vasovagal
Which type of reaction is often referred to as 'idiosyncratic' due to its unexpected nature?
Which type of reaction is often referred to as 'idiosyncratic' due to its unexpected nature?
What are some potential chemotoxic side effects of contrast media?
What are some potential chemotoxic side effects of contrast media?
What are some potential chemotoxic side effects of contrast media?
What are some potential chemotoxic side effects of contrast media?
What are some symptoms of mild reactions to contrast media?
What are some symptoms of mild reactions to contrast media?
Which type of reaction has the characteristics of an anaphylactoid reaction and is therefore referred to as nonanaphylactoid?
Which type of reaction has the characteristics of an anaphylactoid reaction and is therefore referred to as nonanaphylactoid?
What are some symptoms of mild reactions to contrast media?
What are some symptoms of mild reactions to contrast media?
What type of reaction occurs unexpectedly and the specific cause is uncertain?
What type of reaction occurs unexpectedly and the specific cause is uncertain?
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Study Notes
Types of Reactions to Contrast Media
- Idiosyncratic Reactions: Unexpected reactions not explained by known pharmacological effects; considered unpredictable.
- Anaphylactoid Reactions: Have a strong resemblance to anaphylaxis but do not involve the immune system; specific cause is often uncertain.
- Nonanaphylactoid Reactions: Characterized by features of anaphylactoid reactions yet do not originate from allergic responses; more predictable in nature.
Symptoms of Reactions
- Moderate Reactions: Symptoms can include hypotension, tachycardia, and mild respiratory distress.
- Mild Reactions: Common symptoms include mild urticaria (hives), nausea, vomiting, and warmth or flushing.
Chemotoxic Side Effects
- Potential chemotoxic side effects of contrast media may include nephrotoxicity affecting kidney function, allergic-like symptoms, and potential tissue damage at injection sites.
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