Plan the axial slices on the coronal plane angle the position block parallel to the medial and lateral condyle of the femur. Suggested protocols, parameters and planningĪ three plane localiser must be taken in the beginning to localise and plan the sequences. Give cushions under the ankle for extra comfortĬentre the laser beam localiser over the lower border of patella Position the knee in the knee coil and immobilise with cushions Offer earplugs or headphones, possibly with music for extra comfort If possible provide a chaperone for claustrophobic patients (e.g. Pregnancy (risk vs benefit ratio to be assessed)Ī satisfactory written consent form must be taken from the patient before entering the scanner roomĪsk the patient to remove all metal objects including keys, coins, wallet, cards with magnetic strips, jewellery, hearing aid and hairpins Intracranial aneurysm clips (unless made of titanium) cardiac pacemaker, insulin pump biostimulator, neurostimulator, cochlear implant, and hearing aids) Please check our new video tutorial for protocols and planningĪny electrically, magnetically or mechanically activated implant (e.g. > Osteochondral and articular cartilage infractions > Ligament tears: cruciate, collateral, retinacular > Infections of bone, joint or soft tissue > Neoplasms of bone, joint or soft tissue > Vascular conditions: entrapment, aneurysm, stenosis, occlusion > Mechanical knee symptoms: catching, locking, snapping, crepitus > Muscle and tendon disorders: strains, partial and complete tears, tendonitis, tendonopathy. > Synovial based disorders: symptomatic plicae, synovitis ,bursitis, and popliteal cysts > Congenital and developmental conditions: blount disease, dysplasia, normal variants
> Marrow abnormalities: avascular necrosis, marrow oedema syndromes, and stress fractures Duplication for commercial use must be authorized in writing by ADAM Health Solutions.> Meniscal disorders: nondisplaced and displaced tears, discoid menisci, meniscal cysts Links to other sites are provided for information only - they do not constitute endorsements of those other sites. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. This site complies with the HONcode standard for trustworthy health information: verify here. Learn more about A.D.A.M.'s editorial policy editorial process and privacy policy. is among the first to achieve this important distinction for online health information and services. follows rigorous standards of quality and accountability. is accredited by URAC, for Health Content Provider (URAC's accreditation program is an independent audit to verify that A.D.A.M. Removable dental work should be taken out just before the scan.Ī.D.A.M., Inc.Pins, hairpins, metal zippers, and similar metallic items can distort the images.Items such as jewelry, watches, credit cards, and hearing aids can be damaged.Pens, pocketknives, and eyeglasses may fly across the room.Worked with sheet metal in the past (you may need tests to check for metal pieces in your eyes)īecause the MRI contains strong magnets, metal objects are not allowed into the room with the MRI scanner:.Recently placed artificial joints or surgical repairs using metal plates and screws.Kidney disease or dialysis (you may not be able to receive contrast).Certain types of artificial heart valves.Your provider may suggest an "open" MRI, in which the machine is not as close to the body.īefore the test, tell your provider if you have: You may be given a medicine to help you feel sleepy and less anxious.
Tell your health care provider if you are afraid of closed spaces (have claustrophobia). You may be asked not to eat or drink anything for 4 to 6 hours before the scan.