Radiology
CT Angiography May Not Be Needed for Suspected Pulmonary Embolism
A study shows that in patients with no risk factors for pulmonary embolism, the chance of having a computed tomography angiogram result positive for pulmonary embolism is only 0.95%.
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http://www.medscape.com/viewarticle/723523?src=rss...
Medscape