Which of the following contrast agents is preferred in a patient with decreased renal function to avoid contrast nephropathy -
Acetylcystine
Fenoldapam
Mannitol
Low osmolar contrast
Low osmolar contrast agents are agents of choice in patients with pre exiting renal insufficiency Low osmolar contrast agents are ionic dimers and non ionic monomers example for ionic dimer : ioxoglate example for non ionic monomer : iohexol
Fundamentals in Radiology