An MRI is a test that uses a magnetic field and pulses of radio wave energy to make pictures of the spine. In many cases, an MRI gives different information than an X-ray, an ultrasound, or a CT scan. An MRI also may show problems that cannot be seen with other imaging tests.
Note: A general discussion of the causes of the subprime mortgage crisis is included in Subprime mortgage crisis, Causes and Causes of the 2007â2012 global financial crisis. This article focuses on a subset of causes related to affordable housing policies, Fannie Mae and Freddie Mac and government regulation.
In terms of the economic crisis this is what actually happened: 1. Private spending collapsed as a result of the effects on confidence of the global financial crisis. Firms felt the pinch as inventories rose and cut back production. The spending collapse was sharp as was the production response. 2.