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Visible Hearts, Brains and Knees

Friday, November 21, 2008

Positron Emission Tomography (PET) ferrets out previously hidden disorders. The $1.5 million device can pinpoint areas in the brain causing the symptoms of Alzheimer's disease, as well as damaged tissues causing epileptic seizures and damage to the heart after an attack.

For a heftier outlay of $2 million, hospitals can install a device called Nuclear Magnetic Resonance (NMR) imaging that is said by some to be the greatest advance in diagnostics since the X-rays. Superior to the X-ray Computed Tomography (CT scan), it is better for producing images of the back of the brain, the brain stem and the upper spine. It is also useful for diagnosing knee problems.


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