What is the standard pre-contrast prophylaxis protocol?

• A. Accelerated: Hydrocortisone 200 mg IV 5 and 1 hour prior to contrast and Benadryl 50 mg IV 1 hour prior
• B. Standard: Oral prednisone 50 mg at 13, 7, and 1 hour prior to contrast and Benadryl 50 mg 1 hour prior to contrast
• C. No prophylaxis is recommended
• D. Prednisone 100 mg given at 12 and 2 hours before contrast

Answer: (B)