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What is an MRI?

Heart Failure

Magnetic resonance imaging (MRI) scans allow physicians to make a wide range of health diagnoses by viewing highly detailed images of internal organs, blood vessels, muscles, joints, tumours, areas of infection and more. They are often used to diagnose conditions such as stroke, cancer, Alzheimer’s disease, muscle, bone and back pain.

Unlike CT scans, MRIs do not use radiation to produce an image but rather use strong magnetic fields to create images of structures inside the body. While CT scans are great for imaging hard materials in the body, like bones, MRIs are used to image soft tissue.

Until recently, CRT-D patients have been denied access to MRI because the strong magnetic fields created during an MRI scan could have hazardous effects on their CRT-D. Amplia MRI™ and Compia MRI™ SureScan™ CRT-D Systems allow you to receive an MRI under certain conditions.

Information on this site should not be used as a substitute for talking with your doctor. Always talk with your doctor about diagnosis and treatment information. If you have medical concerns or health symptoms, contact your doctor or healthcare professional. If you have a medical emergency, call 999 immediately.