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X-ray contrast means

X-ray contrast agents — the contrast agents used in radiodiagnosis. Are applied to improvement of visualization of internals and anatomical structures at beam methods of a research (a x-ray computer tomography and a X-ray analysis).

X-ray contrast means subdivide into two groups. Carry the drugs absorbing x-ray emission to the first group is weaker than body tissues (X-ray negative X-ray contrast means), the second group is made by the substances absorbing x-ray emission in much bigger degree than biological fabrics (X-ray positive X-ray contrast means).

The X-ray positive drugs used in most cases, as a rule, contain iodine or barium. As X-ray negative contrast agents air, nitrous oxide, carbon dioxide are applied.

Most often use X-ray positive means. They have to meet following requirements: to absorb x-ray emission much stronger, than body tissues, i.e. to be high-contrast; to have hypotoxicity as are entered into bodies in high doses; to be brought quickly out of an organism; to have high solubility in water (75-80% solutions are applied to some types of researches); on osmotic effect to be close to blood. Best of all RKS on the basis of derivatives of triiodbenzoyny acid meet these requirements.

Barium sulfate for roentgenoscopy (Barii sulfas pro roentgeno)
Billignostum
Biliminum
Iodamid
Iodolipolum
Acid yomeglamovy (Acidum iomeglamicum)
Acid yopanoyevy (Acidum iopanoicum)
Omnipaque
Propyliodonum
Sulfobar
Triombrast 60% and 76% for injections (Triombrastum of 60% et of 76% pro injectionibus)
Chromolymphotrastum
Aethyotrastum
Diseases

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