Felis ISSN 2398-2950

Radiography: contrast media

Introduction

  • Contrast media are agents used to improve visualization of organs within tissue of similar radiographic contrast.
  • Contast techniques provide detail of organ size, shape, position and internal detail.
  • In some instances assessment of organ function may be permitted.
  • The ideal contrast agent should be:
    • Inert.
    • Non-toxic.
    • Persist for sufficient length of time.
    • Easily and totally excreted from body.
    • Cheap.
    • Have different absorptive power from tissue of interest.
  • There are disadvantages of, and risks associated with, all contrast media.

Principles of contrast

This article is available in full to registered subscribers

Sign up now to purchase a 30 day trial, or Login

Negative contrast agents

This article is available in full to registered subscribers

Sign up now to purchase a 30 day trial, or Login

Positive contrast agents

This article is available in full to registered subscribers

Sign up now to purchase a 30 day trial, or Login

Further Reading

Publications

Refereed papers
  • Dennis R and Herrtage M E (1989)Low osmolar contrast media - a review. Vet Radiol30, 2-12.


ADDED