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.
Most people have an opinion about what or who caused the financial crisis of 2008-09. It was securitization. Or greed. Or deregulation. Or any number of other things that, truth be told, probably did play a role in the unusually severe economic downturn.hile it's always tempting to boil things down to one or two root causes, the reality is that financial crisis of 2008-09 was caused by a confluence of dozens of factors.