Contrast Media Reactions: The Role of Radiation Technologist


1 Parseh Medical Imaging Center MRI Department, Tehran, Iran

2 Masih Daneshvari Hospital Radiology Department

3 Erfan Nyayesh Hospital Radiology Department

4 Parseh Medical Imaging Center MRI Department, Tehran.Iran



Learning Objectives:
Upon completion of this presentation, participants will be able to:

Recognize common sign and symptoms of Contrast media
Familiarize with first steps of physical and medical management of patients

Presentation Summary:
Contrast agents are substances that are used to enhance the visibility of certain lesions or tissue during medical imaging procedures such as X-rays, CT scans, MRI scans, and ultrasound. They work by altering the way that electromagnetic radiation or sound waves interact with the body’s tissues, making it easier for Radiologists and clinicians to see and diagnose abnormalities. While contrast agents are generally safe and well-tolerated by most patients, there is a risk of adverse reactions in some cases. These reactions can range from mild to severe and may include symptoms such as nausea, vomiting, itching, hives, difficulty breathing, and even anaphylaxis (a life-threatening allergic reaction). To minimize the risk of adverse reactions
to contrast agents, it is important for medical imaging technologists to carefully screen patients for any allergies or other medical conditions that may increase their risk. Patients should also be informed about the potential risks and benefits of contrast agents before undergoing any imaging procedures. If a patient does experience an adverse reaction to a contrast agent, prompt treatment is essential. This may involve administering medications such as antihistamines or steroids to alleviate symptoms or pacing patient in special positioning or providing emergency care in cases of severe reactions. In conclusion, while contrast agents are an important tool in modern medical imaging, it is crucial for radiation technologists to be aware of the potential risks and take appropriate measures to ensure patient safety. By staying informed about the latest research and guidelines on contrast agent use and management of adverse reactions, which we will expalin them in this presentation.
Keywords: Contrast Media, Adverse effects, Computed Tomography (CT-Scan), Radiology, Magnetic Resonance Imaging (MRI)