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When gadolinium contrast is used, what the injection involves, who needs extra caution, and what side effects are usual.
Contrast is for tumours, inflammation and blood vessels. A straightforward knee or spine scan often does not need it.
Gadolinium is widely used. The cautions are serious kidney disease, previous reaction, and pregnancy.
Contrast is an injection during the scan, not a dye you drink. Most studies that need it add about 10–15 minutes.
What gadolinium contrast does, which scans need it, what the injection feels like, and the safety points that genuinely matter.
Contrast agent injected during MRI to highlight blood vessels, tumours and inflammation. Used cautiously in kidney disease.
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