Leakage of contrast medium is mainly divided into a small amount of leakage and a large amount of leakage, the former will cause localized redness and swelling, and the latter will appear chamber syndrome.
1. Small amount of leakage: mainly occurs when hypertonic contrast medium is used, usually a small amount of leakage will appear redness, swelling and itching at the exudate site, which generally will not cause serious sequelae and can be improved slowly.
2. Large amount of leakage: when a large amount of contrast medium leaks out, it is easy to cause cavitary syndrome, which is manifested as burning sensation and edema of the tissues at the site of leakage, and in serious cases, even skin ulceration and necrosis, which need to be dealt with and treated in time.
When contrast leakage occurs, it is important to pay attention to it and seek medical help in time to avoid the occurrence of adverse events.