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Latest in Radiology

Reuters Health • The Doctor's Channel Daily Newscast

A normal coronary artery calcium score is reliable for several years

NEW YORK (Reuters Health) – A normal coronary artery calcium (CAC) scan in middle-age appears to have a “warranty period” of about four years, during which the patient is unlikely to develop coronary calcium, U.S. investigators...

Reuters Health • The Doctor's Channel Daily Newscast

Cardiac catheterization has low diagnostic yield

NEW YORK (Reuters Health) – Just 38% of patients with suspected cardiac disease are found to have obstructive coronary disease on elective cardiac catheterization, new research shows. This low diagnostic yield suggests that clinical assessments and...
Andrew Charles, MD, Professor, Director of Headache Research and Treatment Program, UCLA David Geffen School of Medicine, discusses when to get a scan for a headache and the red flags that doctors must watch for. These include new onset of headache in...