“…flushing, itching, angioedema, hypotension, bronchospasm 27 Determine whether contrast media were administered recently Obtain complete history of recent procedures and diagnostic tests Notify physician if contrast medium was administered within the previous 10 days 30 Avoid administration of contrast media within 3-10 days of procedure 1,18,30 Choose contrast agent Notify appropriate personel (physician, procedure nurses) of patient's risk and need to limit amount of contrast medium to less than 100 mL 11,22,24 Low-osmolarity or iso-osmolar agents are preferred 1,3,15,23,24,30 Obtain medication history Continue current dose of statin 1,32 Give ascorbic acid, 3 g per day before the procedure and 2 g twice daily after the procedure 17,30 Obtain a complete list of medications, including over-the-counter medications Notify physician of nephrotoxic medications Withhold medications as ordered by physician; minimal time to withhold is 48 hours or several days before the procedure 1,9,30 ; preferable time frame is weeks before the procedure, when feasible 20 Maintain optimal fluid balance Continue infusion of isotonic saline (12 hours after procedure) or sodium bicarbonate (6 hours after procedure) 4,5,9,13,15,17,18,30 Monitor for symptoms of fluid overload in patients with left ventricular dysfunction; urine output may be matched with infusion volume 30 Resume administration of diuretics on physician's orders, preferably 24 hours after administration of contrast media 30 Assess serum laboratory values Serum creatinine and electrolyte levels should be monitored daily during the hospital stay 1,17 Reassess glomerular filtration rate ...…”