The following table or figure may be downloaded to PowerPoint for personal use in teaching and presentations. This feature is available to all subscribers to the journal.

You MUST read and follow the guidelines at Request to Reproduce AJR Content if you are distributing or using AJR content beyond academic use (limited distribution, non-revenue producing, or educational purposes).

(Downloading may take up to 30 seconds.
If the slide opens in your browser, select File -> Save As to save it.)
Click on image to view larger version.

Fig. 2A —76-year-old man with multiple large emboli. Coronal multiplanar reconstructions of CT pulmonary angiography performed with 16-MDCT scanner show endoluminal defects (arrows). Patient received pulmonary artery obstruction index of 87.5%, and his blood gas values were PaO₂ (arterial partial pressure of oxygen), 43.4 mm Hg; PaCO₂ (arterial partial pressure of carbon dioxide), 25.5 mm Hg; SaO₂ (arterial oxygen saturation), 82.5%; and PAO₂–PaO₂ (alveolar–arterial difference in partial pressure of oxygen), 74.7 mm Hg.