Patient Selection and Contrast Medium Administration Quiz

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Questions and Answers

What is considered the greatest risk factor for predicting future adverse events related to contrast medium exposure?

A prior allergic-like reaction to the same class of contrast medium

Which group of patients is at no greater risk from iodinated contrast medium?

Patients with an unrelated allergy

Is there crossreactivity between different classes of contrast medium for allergic reactions?

No, there is no crossreactivity.

Why is it not recommended to restrict contrast medium use based solely on unrelated allergies?

Unrelated allergies do not increase the risk significantly. Signup and view all the answers

Which condition increases the likelihood of an allergic-like contrast reaction and may predispose patients to bronchospasm?

History of asthma Signup and view all the answers

What is the approximate increased risk of developing a future allergic-like reaction if a patient has had a prior allergic-like reaction to contrast medium?

~ 5-fold increased risk Signup and view all the answers

What are the four general goals in the approach to patients before contrast-enhanced examinations?

Balance likelihood of an adverse event with the benefit of the examination, ensure contrast medium is appropriate, promote accurate diagnosis and treatment, be prepared to treat a reaction Signup and view all the answers

What should the history obtained focus on before contrast media administration?

Identification of factors indicating contraindications or increased likelihood of an adverse event Signup and view all the answers

What are some common screening questions to be asked during patient selection and preparation?

Historical elements affecting decision-making in patient selection and preparation Signup and view all the answers

What are the primary considerations regarding allergic-like reactions to modern contrast media?

Uncommon reactions with iodinated: 0.6% aggregate, 0.04% severe; gadolinium-based: 0.01-0.22% aggregate, 0.008% severe Signup and view all the answers

Which factor is crucial for achieving the aims of patient selection and preparation before contrast-enhanced examinations?

Having personnel with sufficient expertise available Signup and view all the answers

Why is it important to balance the likelihood of an adverse event with the benefits of a contrast-enhanced examination?

To ensure patient safety while maximizing the benefits of the examination Signup and view all the answers