Neither computed tomography (CT) perfusion nor CT angiography meet the prespecified validation threshold as an ancillary test ...

The joint guidelines indicate that "the brain death or death by neurologic criteria evaluation is, first and foremost, based ...

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.

Brain aneurysm is a severe disorder that affects 2 to 5 per cent individuals globally. Surprisingly, not many are aware about ...

A brain aneurysm can be a ticking time bomb, often lurking undetected until it's too late. Learn about the early warning ...

CT scan: Doctors may use a CT angiography scan if they suspect a brain aneurysm has ruptured.A CT scan provides two-dimensional images that a computer can combine into a more detailed, three ...

Unnecessary CT scans and X-rays are common and can increase your risk of developing cancer. Consumer Reports explains when the tests are warranted and when they aren't.

Pretranscatheter aortic valve replacement-CT angiography safely deferred the need for invasive coronary angiography in 53% of patients, according to a study published May 21 in Circulation ...

Cerebral angiography is a diagnostic test that uses an X-ray. It produces a cerebral angiogram, or an image that can help your doctor find blockages or other abnormalities in the blood vessels of ...