An MRI (magnetic resonance imaging) scan is a medical procedure that provides doctors with detailed internal images of the body. This technology is often used to detect tumors, traumatic brain injury, stroke, and a wide range of injuries and conditions. Although an MRI is a pain-free experience, it can be intimidating for people who struggle with claustrophobia or anxiety and are unsure of what to expect. If you are preparing for your first MRI, the following is a brief overview of the procedure and steps you can take to make the experience positive and worry-free.