Emergency department CT offers little value for most migraine patients

Although Variant 3 of the American College of Radiology (ACR) Appropriateness Criteria recommends performing non-contrast head CT (NCCT) on patients with sudden severe headache who do not present other high-risk features, researchers from Johns Hopkins Medical Center in Baltimore, Maryland found that performing emergency department (ED) NCCT scans on these patents has little value.

Australian researchers’ ‘ultra’ ultrasound could boost sensitivity of standard imaging

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Courtesy of the University of Queensland. 

Researchers from the University of Queensland in Australia have developed “ultraprecise ultrasound” sensors that are sensitive enough to hear the formation of surrounding air molecules, according to new research published online Jan. 10 in Nature Communications.