Open Access
Table 1
National DRL values for different imaging.
| Imaging | The desired parameter for DRL − (unit) | National DRL | |
|---|---|---|---|
| 1 | Radiology-Abdomen | Entrance surface dose (ESD) − mGy | 3.29 |
| 2 | Radiology-Cervical-AP | Entrance surface dose (ESD) − mGy | 1.24 |
| 3 | Radiology-Cervical-LAT | Entrance surface dose (ESD) − mGy | 0.85 |
| 4 | Radiology-Chest-AP | Entrance surface dose (ESD) − mGy | 0.63 |
| 5 | Radiology-Chest-LAT | Entrance surface dose (ESD) − mGy | 1.58 |
| 6 | Radiology-Chest-PA | Entrance surface dose (ESD) − mGy | 0.6 |
| 7 | Radiology-Lumbar-AP | Entrance surface dose (ESD) − mGy | 4.08 |
| 8 | Radiology-Lumbar-LAT | Entrance surface dose (ESD) − mGy | 8.36 |
| 9 | Radiology-Pelvis | Entrance surface dose (ESD) − mGy | 2.32 |
| 10 | Radiology-Skull-AP | Entrance surface dose (ESD) − mGy | 2.61 |
| 11 | Radiology-Skull-LAT | Entrance surface dose (ESD) − mGy | 1.57 |
| 12 | Radiology-Skull-PA | Entrance surface dose (ESD) − mGy | 2.72 |
| 13 | Radiology-Thoracic-AP | Entrance surface dose (ESD) − mGy | 2.33 |
| 14 | Radiology-Thoracic-LAT | Entrance surface dose (ESD) − mGy | 5.23 |
| 15 | CT-Abdomen/pelvis | CTDIvol − mGy | 11.78 |
| CT-Abdomen/pelvis | Dose length product (DLP) − mGy.cm | 517.72 | |
| 16 | CT-Chest | CTDIvol − mGy | 11 |
| CT-Chest | Dose length product (DLP) − mGy.cm | 250.27 | |
| 17 | CT-Head | CTDIvol − mGy | 49 |
| CT-Head | Dose length product (DLP) − mGy.cm | 685 | |
| 18 | CT-Sinus | CTDIvol − mGy | 24.7 |
| CT-Sinus | Dose length product (DLP) − mGy.cm | 223.5 | |
| 19 | CT-Angiography | CTDIvol − mGy | 50.01 |
| CT-Angiography | Dose length product (DLP) − mGy.cm | 826 | |
| 20 | Interventional | Dose area product (DAP) − mGy/cm2 | 70.82 |
| 21 | Mammography − MLO | Mean glandular dose (MGD) − mGy | 1.58 |
| 22 | Mammography − CC | Mean glandular dose (MGD) − mGy | 1.49 |
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