Contrast Medium (Noun)
Meaning
A substance that is opaque to x-rays; when administered it allows a radiologist to examine the organ or tissue it fills.
Classification
Nouns denoting substances.
Examples
- The radiologist ordered a contrast_medium to be injected into the patient's vein to visualize the blood vessels in the brain.
- A special type of contrast_medium was used to help the doctor see the tumor in the patient's liver.
- The patient was given a barium-based contrast_medium to swallow, which allowed the doctor to take clear x-rays of the esophagus.
- The doctor used an iodine-based contrast_medium to get a clear picture of the patient's arteries.
- A non-toxic contrast_medium was used in the MRI to help distinguish between healthy tissue and diseased tissue in the patient's knee.