International Journal of Pediatrics / 2015 / Article / Fig 4

Research Article

Improving ECG Services at a Children’s Hospital: Implementation of a Digital ECG System

Figure 4

Total number of ECGs read over the study period. This quality control chart demonstrates the marked increase in the volume of ECGs that were interpreted with the implementation of digital ECG services in June 2012 (—number of ECGs, -bar—mean, LCL—lower control limit, and UCL—upper control limit).