On rare occasions, the use of information technology (IT) in clinical settings has led to serious patient harm.

On rare occasions, the use of information technology (IT) in clinical settings has led to serious patient harm. Some of the incidents that have been reported include patient harm from wrong medications owing to the computerized provider order entry (CPOE) system that failed to display alerts about drug interactions. In one serious incident, a hospital’s picture archiving and communication system (PACS) showed a wrong x-ray image, which resulted in patient death. Which control chart to you think would be appropriate to monitor the number of patients who die due to the errors in the PACS system? Explain