|
|
| Examination |
Effective Dose in mSv |
Equivalent no.of Chest
X-Rays |
Equivalent period of natural background radiation |
| Extremity Xray eg. knee, ankle |
0,01 |
0.5 |
1,5 days |
|
| Chest Xray |
0,02 |
1 |
3 days |
|
| Skull Xray |
0,1 |
5 |
2 weeks |
|
| Cervical Spine Xray |
0,1 |
5 |
2 weeks |
|
| Dorsal Spine Xray |
1,0 |
50 |
6 months |
|
| Lumbar Spine Xray |
2,4 |
120 |
14 months |
|
| Hip Xray |
0,3 |
15 |
2 months |
|
| Pelvis Xray |
1,0 |
50 |
6 months |
|
| Abdomen Xray |
1,5 |
75 |
9 months |
|
| Barium studies: |
|
|
|
| Oesophagus |
2,0 |
100 |
1 year |
|
| Stomach/ duod |
5,0 |
250 |
2,5 years |
|
| Small bowel |
6,0 |
300 |
3 years |
| Colon |
9,0 |
450 |
4,5 years |
|
| IVP |
4,6 |
230 |
2,5 years |
|
| CT head |
2,0 |
100 |
1 year |
|
| CT chest |
8,0 |
400 |
4 years |
|
| CT abdomen |
8,0 |
400 |
4 years |
|