An MRI (Magnetic Resonance Imaging) investigation is a kind of medical imaging procedure done using strong magnetic fields and radio waves that are used to look at and produce detailed images of various organs and structures inside the body. This is used to diagnose many conditions like musculoskeletal problems, torn ligaments, heart, lung and liver issues, as well as any tumors or abnormal growth. This diagnostic test is a rather recent addition heart failure assessment, showing much promise and potential.
As such, there is no specific preparation required for undergoing this test. The patient can follow his normal routine before taking up the test. It is advisable, however, to keep your doctor informed about all your medications and medical conditions, including any allergies. It is to be noted that since the procedure involves magnetic fields any metal or electronic substance on the body has to be removed. So, people with pacemakers, cochlear implants, artificial heart valves, certain type of dentures, etc. cannot undergo this procedure. Also, if you are pregnant or have any iodine/gadolinium allergy, this test may not be advisable. Check with your doctor in case of any clarifications.
The MRI Scan - Cardiac Viability With Morphology is mostly used nowadays to diagnose issues with the heart, especially heart failure, and its causes. A radiologist studies the images of your scan and provides interpretations along with the report, which helps the doctor in the diagnosis.
The procedure is a simple one which is not troublesome or painful to the patient in any way.
You may be asked to change into a hospital gown. The MRI scanner is a cylindrical machine and you will be asked to lie down on a table/bed which will be pulled into a tunnel-like space in the machine. A contrast dye injection will be administered before the procedure starts, since it highlights heart muscles receiving good blood supply, and their working. It also helps provide information about the tissue blood supply, inflammation and scarring aiding better diagnosis.
You need to remain still while the scan is going on and will hear some loud noises. Usually the person conducting the MRI will be closely monitoring you. The scan may last up to 45 minutes. Once the scan is complete, you will be allowed to get up and changeover.