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MRI Information Video
Types of MRI Scanners
Conventional MRI Scan
Standard 1.5 T MRI machine for regular scans
3 T MRI Scan
Higher resolution for a better imaging quality
Open MRI Scan
A comfortable scan that fits any size patient
Upright MRI Scan
For claustrophobic patients and weight bearing positions
Frequently Asked Questions
What is an MRI Scan?
- MRI (Magnetic Resonance Imaging) Scan uses strong magnetic fields and radio waves to produce detailed views of the organs, tissues and skeletal system.
- It is a non-invasive way to diagnose problems in the structure of the body by producing high resolution images.
When is an MRI Scan performed?
- To detect brain and spine problems like strokes, tumors and aneurysms.
- To measure metabolical changes in the brain - Functional MRI.
- To analyse the disorders of eye and inner ear.
- To detect the problems with internal organs like Liver, Kidney, Pancreas.
- To measure the size of heart, thickness of heart walls and other structural changes.
- To analyse the bone and joint abnormalities, infections and tumors in soft tissues.
- To detect breast cancer.
How is MRI Scan different from CT Scan?
- MRI can show clearer differences between normal and abnormal tissue while CT Scans can sometimes provide more details about the hearts, lungs, pelvis, hips, reproductive systems, bladder and gastrointestinal tract.
- MRI Scans are safe and are commonly used for preventive checks.
- MRI Scans does not involves any radiation, while CT Scans involves radiation.
- MRI Scans take longer to do than CT Scans and are generally noisier.
What are the different types of MRI Scanners available?
- 1.5 Tesla MRI - These are conventional MRI machines.
- 3 Tesla MRI ( 3T MRI) - produces higher resolution images, are less noisy and are quicker than 1.5 Tesla MRI.
- Open or Upright MRI - for claustrophobic and bariatric patients. In this MRI machine a patient can stand or sit on a chair while having the Scan.
What types of MRI Scans can be performed?
Abdomen, Adrenal Glands, Angiography, Appendix, Back, Bile Ducts, BIliary Tract, Bladders, Blood Vessels, Bones, Bowel, Brain, Breast, Cervical Spine, Cervix, Chest, Cirrhosis, Crohn’s Disease, Disc, Enterography, Fallopian Tube, Fetus, Full Body, Gallbladder, Head, Heart, Joint, Kidney, Liver, Lumbar Spine, Lymph Nodes, MRA, MRE, Neck, Ovaries, Pancreas, Pelvis, Penis, Prostate, Scrotum, Shoulder, Small Bowel, Spine, Spleen, Testicles, Tumor, Ulcerative Colitis, Urethra, Uterus, Vasculitis, Vertebrae.
What is Contrast?
- Sometimes a referring doctor may suggest an injection of a contrast injection that is used to enhance the images.
- Generally the contrast material used contains a substance called Gadolinium.
How long does it take to do a MRI Scan?
Usually the Scans take between 20 to 60 minutes depending on the number of body parts covered in the Scan. Open/Upright MRI scans are longer in duration.
How soon are the images available?
The MRI Scan images are available directly from the Imaging Centre on the day of the scan or can be posted to you.
How soon is the Report available?
The images are studied by a medical practitioner (Consultant Radiologist) who prepares a Report which is normally shared with you 5-7 days after the scan and in some cases within 2-3 days. You may be told by some Imaging Centres that the Report will be with you within 48 hours. However this is unrealistic and it is unusual for a Report to be available within 2 days. The reporting of the images is beyond the control of Secure Scanners Ltd and any enquiries about delays in receiving the report should be made to the Imaging Centre, but by all means contact us.
What are the risks and restrictions in MRI Scan?
- There are very few risks associated with MRI scanning.
- The scans are not painful, but if you are given contrast material it can make you feel warm.
- There may be guidelines about eating and drinking before the scan and the Imaging Centre will advise you about this.
- Patients are not given contrast if they have poor kidney function or renal impairment.
- Very rarely people may be allergic to the contrast material used.
- Patients who may be pregnant, need to check with their doctors before undergoing an MRI Scan.
- Metallic implants or joints can be affected by the magnetic field and can distort the images.
- Patients with artificial heart valves, pacemakers, metal clips, metal fragments, ear implants, chemotherapy and insulin pumps need to inform the Imaging Centre.
- Open or Upright MRI machines can normally accommodate patients weighing up to 400 lbs.