What is the difference between CT and MRI scan?

Mechanism. Mri is based on the spin-spin splitting of hydrogen atoms inherent to all bodily tissues, namely in the form of water. The raw data produced from an MRI scan must undergo extensive processing to be converted into a "readable" image. Ct scans are essentially fancy x-ray machines which can take "slices" of whatever is being examined (head, abdomen, chest, etc.) unlike mri, ct uses ionizing radiation.
Basically. An MRI uses magnets to generate images and a ct scan uses x-rays. They each show different things better. Depends on what part of the body is being imaged and what is being looked for as to which one is preferable.

Related Questions

What is the difference between an MRI scan and a CT scan?

MRI vs CT. MRI creates images from manipulation of strong magnetic fields, CT uses ionizing radiation just like xrays. CT is much faster and allows for a large survey of parts of the body. MRI is more suitable for evaluating more specific tissues (heart, brain, joints) Each has their own advantages & disadvantages and largely depend on what is being assessed. Always confer with a radiologist! Read more...

What is the difference between an MRI scan and a CT scan?

MRI vs CT. MRI creates images from manipulation of strong magnetic fields, CT uses ionizing radiation just like xrays. CT is much faster and allows for a large survey of parts of the body. MRI is more suitable for evaluating more specific tissues (heart, brain, joints) Each has their own advantages & disadvantages and largely depend on what is being assessed. Always confer with a radiologist! Read more...