CT angiography sensitivity ranged from 75.5–87.3%, while specificity held near 90% across scales. Sensitivity refers to how well a test finds its target, in this case, brain death.

Qualitative brainstem CT perfusion showed 98.5% sensitivity yet only 74.4% specificity. Qualitative whole-brain CT perfusion achieved 93.6% sensitivity and 92.3% specificity.

CT stands for computerized tomography, and CAT stands for computerized axial tomography. The original name for this scan was an EMI scan, named after the company that created the technology.

Magnetic resonance imaging (MRI) scans produce detailed images of the organs and tissues in the body. Learn more about its uses here.

It can take a long time to get an appointment for a brain scan, so the specialist may give you a temporary diagnosis while you wait. Your scan may not show any unusual changes in your brain. This ...

Qualitative whole- brain CT perfusion yielded a sensitivity and specificity of 93.6 and 92.3 percent, respectively. The sensitivity of CT angiography ranged from 75.5 to 87.3 percent, and ...

People who have lost the ability to move or speak may soon have a new option: surgically implanted devices that link the brain to a computer. More than two decades after researchers first demonstrated ...