Abstract:
:Computed tomographic pulmonary angiography has become the diagnostic procedure of choice in patients suspected of having a pulmonary embolus. However, intrapulmonary shunting of blood in a variety of pathologic conditions can cause suboptimal opacification of the pulmonary arterial circulation and result in a suboptimal or even nondiagnostic study. Radiologists should be aware of these conditions and be familiar with positioning techniques to minimize such shunting. We report a patient suspected of having pulmonary embolism, in whom a preexisting unilateral arteriovenous malformation prevented adequate evaluation of the pulmonary circulation. Positioning the patient in the contralateral decubitus position significantly enhanced image quality.
journal_name
J Thorac Imagingjournal_title
Journal of thoracic imagingauthors
Tafti BA,Berenji GR,Santiago S,Barack BMdoi
10.1097/RTI.0b013e318242b4b3subject
Has Abstractpub_date
2012-11-01 00:00:00pages
W193-5issue
6eissn
0883-5993issn
1536-0237journal_volume
27pub_type
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