Most acute contrast reactions are mild and settle with observation, but the severe ones evolve within minutes. Outcome depends on recognising anaphylaxis early and giving intramuscular adrenaline without delay.
Keep a laminated reaction algorithm in every room where contrast is given, check the emergency trolley on a schedule, and run short simulation drills so the whole team, not just the radiologist, knows their role.
- Give intramuscular adrenaline promptly for suspected anaphylaxis - do not wait for antihistamines
- Post a reaction algorithm in every contrast room
- Check the emergency trolley and adrenaline expiry dates on a fixed schedule
- Run brief team drills for contrast reactions at least yearly
Why it matters
Delay in adrenaline, not the reaction itself, drives most bad outcomes.
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