Table 1.
Quality assurance grading scale (from American College of Emergency Physicians emergency ultrasound standardized reporting guidelines 2011)17
| 1 | No recognizable structures, no objective data can be gathered |
| 2 | Minimally recognizable structures, but insufficient for diagnosis |
| 3 | Minimal criteria met for diagnosis, recognizable structures but with some technical or other flaws |
| 4 | Minimal criteria met for diagnosis, all structures imaged well and diagnosis easily supported |
| 5 | Minimal criteria met for diagnosis, all structures imaged with excellent image quality and diagnosis completely supported |