Contrast Reactions
1. Generally occur within the first minute of injection
2. Can be unpredictable (no predictors)
3. Mild reaction may worsen to severe at any time (range from mild to severe)
4. Reaction is different from a side effect
5. Begin injection with a small amount and wait to check for signs or symptoms
A. Protocol determines how long to wait before proceeding with administration
6. Monitor the patient continually
7. Patients at risk for reaction are premedicated
A. Antihistamine and/or corticosteroids can be used
8. Patient reactions and care are a constant responsibility of the radiologic sciences professional