LONDON - The CT scan, the most common method of diagnosing a stroke in emergency rooms, catches only about one in four cases - far fewer than an MRI scan, which also was better at spotting the ...

A computed tomography (CT) scan shortly after a transient ischemic attack can help identify patients at risk of suffering another stroke within three months.

Among the stroke care centers, Memorial Hermann still has the fastest time, 16 minutes, from the emergency doors to the CT scan. "We've been doing that for years," Wojner said.

Using the CT scans, however, they were right just 26 percent of the time. MRI scans were also more precise in spotting the cause of the stroke — a blood clot or bleeding in the brain.

Doctors should use a diffusion MRI scan to diagnose stroke instead of a CT scan, according to a new guideline from the American Academy of Neurology.

A new retrospective analysis of the NINDS rt-PA stroke trial has found that early ischemic changes (EICs) on computed tomography (CT) scans are not associated with adverse outcome after treatment ...

Patients who have a transient ischemic attack (TIA) or nondisabling stroke are more likely to experience another stroke within 90 days if they show signs of ischemia on CT, according to a study ...

The accuracy of diagnosing a blocked brain vessel in an emergency setting improved nearly 100 percent when physicians used a high-speed CT scanner, researchers report in today’s Stroke: Journal ...

Using the CT scans, however, they were right just 26 percent of the time. The first few hours following a stroke are critical, since clot-busting drugs must be given within three hours to have a ...

Diffusion-weighted imaging MRI is superior to noncontrast CT for diagnosing stroke within 12 hours of onset, authors say. However, availability and cost must be considered in the decision on what ...

An MRI is much better for diagnosing a stroke than a CT scan, the current standard test, the American Academy of Neurology said in new guidelines released Monday.

Physicians working in emergency rooms typically do a physical examination of stroke patients, including a standard CT scan of the head. They also ask them or their families a series of questions ...