The film opens with a worded passage about the history of the Hunger Games. In the last section, all of the text fades away except for the film's title. See more Â»
The contrast material enhances the appearance of certain details. The contrast material used for MRIs is less likely to cause an allergic reaction than the contrast material used for CT scans. An MRI can last anywhere from 15 minutes to more than an hour. You must hold very still because movement can blur the resulting images.
MRI overview. 1  An MRI machine produces a strong magnetic field and radio waves. 2  MRI does not use X-ray radiation. 3  MRI excels at imaging soft tissue; it is used to look at internal organs, the brain and spinal cord, and breasts, for example.  Exams typically take 45 minutes.