Since the MRI machines are magnets, it is best to not apply deodorants, antiperspirants, perfumes, or body lotions before the examination. These items contain metals that might interfere with the magnetic field inside the MRI machine and cause you to have distorted images and wrong results.
Prior to Your Appointment
Do not drink or eat anything with caffeine for 24 hours before the MRI, as caffeine may affect the results. This includes coffee, tea, soda, and chocolate. Do not eat for four hours before the MRI.
Can a subject wear deodorant for an MRI scan? It is recommended to refrain from wearing any powder, perfumes, deodorant and/or lotions on your underarms and chest area prior to the procedure. This is to prevent the possibility of localized burns because these items may have metal in them.
On the day of your MRI scan, you should be able to eat, drink and take any medication as usual, unless you're advised otherwise. In some cases, you may be asked not to eat or drink anything for up to 4 hours before the scan, and sometimes you may be asked to drink a fairly large amount of water beforehand.
MRI is also contraindicated in the presence of internal metallic objects such as bullets or shrapnel, as well as surgical clips, pins, plates, screws, metal sutures, or wire mesh. If you are pregnant or suspect that you may be pregnant, you should notify your physician.
For women, if possible, do not wear an underwire bra (the metal can throw off the magnetic field). Sports bras are usually good and we have hospital gowns to change into if necessary. The clasps on the back of a regular bra are not a problem, but avoid wearing bras that have metal parts on the straps.
You will be asked to remove any clothing containing metal and all jewelry. You will be provided metal free clothing to change into such as gown, shorts or pants. Lockers are available to safely store all personal items such as wallet, purse, keys, phone and other electronic devices.
How long does an MRI scan take? A single scan may take a few seconds or 3 to 8 minutes. You may be asked to hold your breath during short scans. The total scan lasts 15 to 90 minutes, depending on the size of the area being scanned and how many images are needed.
Radiologists recommend fasting prior to undergoing a CT or MRI with contrast because of the possible side effects of the contrast agents. While rare, side effects of contrast can cause nausea or vomiting during the test. Vomiting while lying down could cause food blockages in your airway, known as asphyxia.
The magnetic fields that change with time create loud knocking noises which may harm hearing if adequate ear protection is not used. They may also cause peripheral muscle or nerve stimulation that may feel like a twitching sensation. The radiofrequency energy used during the MRI scan could lead to heating of the body.
Can You Take a Shower Before an MRI? If your doctor doesn't say otherwise, you can have a shower before your MRI scan. However, you should not apply any products to your hair like sprays or gels as some of them contain metals that might interfere with your MRI examination.
If you need to cough or get an itch, tell them and they can get you out, or give you a short break between sequences. Then you are moved out of the machine, released, have your plastic tube removed and can go home.
If you are having an MRI scan that does not require you to follow commands, you may be allowed to fall asleep. You should clarify this with your radiologist before the procedure begins.
Be sure to wear clothing that does not have any metal in it (zippers, buttons, etc.). If your clothes do have metal in them, you'll be given a hospital gown to change into for your scan. Normally you can wear your underwear and socks during the scan, unless your radiologist is concerned about metal microfibers.
There is no need to alter your diet or medication prior to an M.R.I. examination*. During the exam most metal items will need to be removed. Patients with metallic implants, pacemakers or metal clips must notify the office prior to examination.
Doctors say you should not drink alcohol or caffeine before an MRI scan! Of course, it is because alcohol & caffeine are both stimulators of blood pressure & flow. When such a thing happens, you are likely to get false MRI images!
You will be asked to fast for 4 hours prior to your exam. You may take your usual medications with small amounts of water. Otherwise, no additional preparation is needed.
Yes, you can eat and drink as normal.
Do not put on makeup — Some makeup contains metals that may be affected by the MRI machine. Check your makeup to make sure it contains no metals or play it safe and skip putting on makeup until after the scan.
You won't have pain from the magnetic field or radio waves used for the MRI test. But you may be tired or sore from lying in one position for a long time. If a contrast material is used, you may feel some coolness when it is put into your IV.
Why do we use pineapple juice? During the MRCP, the pancreatobiliary ducts can be obscured by the high-intensity signal from the stomach and duodenum. Pineapple juice has a high natural manganese content that increase T1- and decreasing T2- signal intensity.
“Your test needs to be read by a diagnostic radiologist, and the results go back to your physician. Your physician reads the report and then discusses it with you,” Edwards said. The biggest reason for that policy is that only a medical doctor has the training and experience to make a diagnosis.
When it is appropriate for a patient to wear a face mask during an MRI examination, please ensure the face mask contains no metal. If the absence of metal cannot be confirmed and it is determined to be appropriate for the patient to wear a face mask, an alternative mask confirmed to be absent of metal should be used.
If you're familiar with imaging centers or scans, such as MRI and CT, then you're likely aware of the fact that prior to any of these scans, a radiology technologist will politely ask you to please remove your jewelry and clothing and change into a specified gown. We ask our patients to do this to prevent injury.
Please wear comfortable clothing. Cotton, polyester, and wool are best. Don't worry about the snaps or zippers on pants, as that metal can be allowed into the scanning facility. If you have questions about these procedures, please feel free to contact the study coordinator.