Report any adverse effects to a healthcare provider. Before administering the contrast, a doctor will ask about:Īfter taking the contrast, a person should check for any side effects. There is a small chance that a person may have an allergic reaction to contrast materials. Scans related to the following issues can require contrast: Receiving an early diagnosis can help improve a person’s outlook. This can illuminate early abnormal tissue growth, including tumors. The MRI procedure is the same, whether or not it requires contrast.Ĭontrast makes tissues and organs stand out on the MRI image. The doctor and radiologist will decide if contrast is necessary, and a person takes it orally or by injection.Ĭontrast travels to organs and tissue through the bloodstream. The majority of MRI scans do not require contrast. If a person drinks or receives an injection of contrast before a scan, it can help to improve the image. no contrastĬontrast is a magnetic substance. In the event of an allergic reaction, the healthcare team will keep the person under observation.
Also, a person needs time to recover from an anesthetic at the medical center. If a person has taken a sedative, they should avoid driving themselves home. The medical team may offer anesthetics or sedatives to people who have extreme claustrophobia. If a person feels any discomfort, they should tell the radiographer. However, some inks contain traces of metal, which can cause heat or discomfort during a scan. If a person feels anxious or wants to stop the procedure, they can press the call button and talk to the medical staff. If someone, such as a person with Parkinson’s, has trouble lying still, a technician may offer restraints to help. If a person moves, they may have to repeat the scan. People must stay very still inside the scanner to ensure clear, accurate images.Technicians will usually provide headphones or earplugs. MRI machines make a lot of noise, so expect to hear loud hums, knocking sounds, and general electronic noise.Pillows or foam blocks on the trolley will keep the head in the right position.They will leave the room and speak to the person through a radio. The technician will then position the trolley so that the person’s head and neck are inside the MRI scanner. The person will lie on a sliding trolley, and the technician may cover them with a sheet. The technician will bring the person into the room that contains the MRI scanner. They will store a person’s clothes and any jewelry in a safe locker until the scan is finished. metallic fragments in the eyes or blood vesselsĪ healthcare team member will usually ask a person to put on a hospital gown.Other metallic objects that can interfere with a scan include: These can interfere with the scan, and a person must remove them before entering the scanner. They will also ask if a person has any metallic objects, such as piercings, metal plates, watches, or jewelry.
Doctors tend not to recommend MRI scans during pregnancy, because it is unclear whether the magnetic force can affect fetal development. Radiographers also need to know if a woman is pregnant.
HOW TO READ MRI IMAGES PROFESSIONAL
Preparationįirst, a healthcare professional will ask a series of questions about a person’s medical history. When a person arrives at the clinic, a doctor or technician will talk them through the process and tell them what to expect. Procedure and what to expect during a head MRIĪ head MRI is noninvasive.
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