“…1,4,[7][8][9]13,16,19,21,[24][25][26][27]33,[38][39][40][41] If possible, alternative brands of contrast agents from other vendors could be purchased in some instances to help mitigate ICM shortages. 13,17,25,33 Examples of alternate contrast agents may include oral contrast (such as barium sulphate or diatrizoate meglumine and diatrizoate sodium [Gastrografin, Cystografin, Sinografin]) or, if appropriate, carbon dioxide angiography for peripheral artery disease, MRI with gadolinium contrast, or ethiodized oil (Lipiodol, Guerbet). 5,9,13,14,16, 19,21,25,38,42 Procedures may be stratified based on risk to determine which may be safely deferred until normal ICM supplies resume (for example, routine follow-up exams).…”