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. 2D —Left heart bolus geometry measurements in Hounsfield units (H)
during arterial phase in 56-year-old man. Using 70% R-R interval reconstructed
images with slice thickness and interval of 5 mm, left heart measurements are
performed. Av = average. Toward end of scanning, ROI is placed in left
ventricle. Measurement must avoid papillary muscle.