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. Author manuscript; available in PMC: 2011 Oct 31.
Published in final edited form as: J Nucl Med Technol. 2007 Mar;35(1):27–33.

FIGURE 4.

FIGURE 4

Summary of all technical QC events (white bars) and clinical QC events (hatched bars) that were detected. Trigger events (events initially displayed as being outside expected range) are included; these events occur when an unusual value is entered by user. Purpose of these flags is to trigger redisplay of data entry dialog. Presence of trigger may or may not indicate error, because value may be corrected by user or may have been correct as originally entered. If redisplayed value is accepted by technologist, it is recorded as an out-of-range event.