What is the role of angiography in the diagnosis of pulmonary embolism?

Updated: Sep 18, 2020
  • Author: Daniel R Ouellette, MD, FCCP; Chief Editor: Zab Mosenifar, MD, FACP, FCCP  more...
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If multidetector-row computed tomography angiography (MDCTA) is unavailable, conduct pulmonary angiography. Long the criterion standard for pulmonary embolism diagnosis, pulmonary angiography is nevertheless more invasive and harder to perform than MDCTA, and for these reasons, it is rapidly being replaced. However, pulmonary angiography remains a useful diagnostic modality when MDCTA cannot be performed.

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