
09/23/2025
A new study tested an emergent IV dye prep protocol (diphenhydramine, famotidine, dexamethasone) for stroke-alert patients who needed urgent CTA/CTP despite a documented allergy.
25 patients received contrast safely.
0 had adverse reactions.
6 patients (24%) had treatable large vessel occlusion/severe stenosis detected, diagnoses that would have been missed without imaging.
A simple prep protocol may open the door to safer, faster care in this high-risk group.
Would you feel confident using this in your ED?
Read the full study: https://hubs.la/Q03Kc-tj0