Image Grading
| Grade | General image quality + artifact | Image sharpness | Image noise | Lesion detectability |
| 1 | Excellent: no artifacts | Clear, excellent images | Negligible | Excellent |
| 2 | Good: some diagnostically irrelevant artifacts | Diagnostically irrelevant image blurring | Diagnostically irrelevant | Good |
| 3 | Average: diagnostically relevant artifacts | Diagnostically relevant image blurring | Diagnostically relevant | Average |
| 4 | Inadequate: marked artifacts | Inadequate image with blurring | Marked | Poor |