Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Third quartile values for ESDs (mGy) from NRPB reviews of UK national patient dose data [10]
| Radiograph | Mid-1980s survey | 1995 review | 2000 review |
| Skull AP/PA | 5 | 4 | 3 |
| Skull LAT | 3 | 2 | 1.6 |
| Chest PA | 0.3 | 0.2 | 0.2 |
| Chest LAT | 1.5 | 0.7 | 1 |
| Thoracic spine AP | 7 | 5 | 3.5 |
| Thoracic spine LAT | 20 | 16 | 10 |
| Lumbar spine AP | 10 | 7 | 6 |
| Lumbar spine LAT | 30 | 20 | 14 |
| Lumbar spine LSJ | 40 | 35 | 26 |
| Abdomen AP | 10 | 7 | 6 |
| Pelvis AP | 10 | 5 | 4 |
