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. 2 —Effect of helical pitch on radiation dose. A and
B, Schematic presentations of scanning with standard (A) and
high-pitch (x2) (B) protocols. Total scanning time (i.e.,
exposure time) for high-pitch protocol is half that of standard protocol.
Consequently, total radiation dose will be halved in high-pitch protocol and
tube current will be kept constant.