What is a contrasting agent?
The contrast agent is a substance that is used in a study of medical imaging to facilitate the internal structure of the body. Many different types of contrasting substances are used; Sometimes they are called "dyes" because it seems that the tissue that is studied. If you are scheduled for medical display, the radiologist will discuss the use of contrasting substances with you if one is required. Most contrast substances are very safe and will be expressed very quickly after their studies; In rare cases, someone has an allergic reaction. This substance is Radiopaque, which means that X -rays cannot pass it. As a result, the X -ray film is not exposed and the doctor has a clear white image of the patient's intestines. For MRI a substance that affects magnetism of tissue in adhesion, Tererest is used.
A contrasting agent can also be injected. A wide range of contrast agents with different types of imaging machines is used for injection. Injectable contrast agents can sometimes be unpleasant for patients; Meou cause a burning feeling or a strange feeling, but they are usually safe. Such agents can illuminate the internal functioning of the brain and the central nervous system with incredible details.
contrast substances can also be inserted through the rectum or inhaled for very rare imaging studies. In general, the radiologist decides what type of contrasting agent to be used, although the patient's recording will be consulted to check any allergic risks. The contrast agent may be given to the patient just before studying, or may get some other time to ensure that the contrast agent reaches the desired target; As soon as the contrasting agent sufradiologist merged the area of interest, he will take pictures of the website for later analysis.
The use of a contrasting agent is generally very safe for the patient because most radiologists want to avoid harmful reactions. But there are allergic reactions. IfA display study with a contrasting agent is ordered, ask the radiologist for the normal side effects of the contrasting agent and notify it if you feel good. If the radiologist believes that you may have an undesirable reaction, he will take appropriate steps to treat.