Premedication — urgent (accelerated)

Recognize

• Urgent imaging in patient with prior reaction

Act — tap each step

1. 1Methylprednisolone 40 mg IV OR Hydrocortisone 200 mg IV — q4 h until contrast
2. 2PLUS Diphenhydramine 50 mg IV 1 h before contrast
3. 3Note: efficacy of accelerated regimens is not well established

Medications