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MRI contrast agents
• MRI contrast agents shorten the relaxation times
• The most commonly used intravenous contrast agents are based
on chelates of gadolinium
• Anaphylactoid reactions are rare, < 0.03%
• Risk of a rare but serious illness, nephrogenic systemic fibrosis, in
patients with severe renal failure requiring dialysis
• Hepatobiliary contrast agent (gadoxetate) with dual excretion path