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Why Can't Magnetic Resonance Imaging Reliably Diagnose Pulmonary Embolism?

Bruce L. Davidson, MD, MPH; and Marc J. Lacrampe, MD
[+] Article, Author, and Disclosure Information

From University of Washington School of Medicine, Seattle, Washington 98119; and Virginia Mason Medical Center, Seattle, Washington 98101.

Potential Conflicts of Interest: Disclosures can be viewed at www.acponline.org/authors/icmje/ConflictOfInterestForms.do?msNum=M10-0344.

Requests for Single Reprints: Bruce L. Davidson, MD, MPH, 1952 Tenth Avenue West, Seattle, WA 98119; e-mail, brucedavidson@pobox.com.

Current Author Addresses: Dr. Davidson: 1952 Tenth Avenue West, Seattle, WA 98119.

Dr. Lacrampe: Virginia Mason Medical Center, 1100 Ninth Avenue, Seattle, WA 98101.

Ann Intern Med. 2010;152(7):467-468. doi:10.7326/0003-4819-152-7-201004060-00012
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In this issue, the PIOPED III (Prospective Investigation of Pulmonary Embolism Diagnosis III) investigators report the results of their diagnostic accuracy study of magnetic resonance pulmonary angiography (MRA) and thigh-vein magnetic resonance venography (MRV) for identifying suspected pulmonary embolism (1). They conclude that combined MRA and MRV ought to be considered only at centers that perform it well and only in patients who have contraindications to other standard tests. We agree with their conclusions and the methods they used to reach them.

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