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.
Atkinson explained the current financial crisis as being caused at two. levels: by global macro policies affecting liquidity and by a very poor. actually contributed to the crisis in important ways.2 The policies. affecting liquidity created a situation like a dam overfilled with flooding. water.