Use of radiation in health care Use of radiation in health care

Use of radiation in health care

Use of radiation in health care

Radiation doses of radiographic examinations

Radiation doses of radiographic examinations

 

Examination

Effective dose (mSv)

Dose equivalence *) as PA images (number of)

Dose equivalence during exposure to background radiation

Limb, e.g. knee

0.01

0.3

1 day

Paranasal sinuses

0.03

1

3 days

Lung (PA view)

0.03

1

3 days

Lung (PA view and LAT view)

0.07

2

8 days

Cranial

0.1

3

12 days

Cervical spine

0.2

7

24 days

Mammography

0.2

7

24 days

Thoracic spine

0,4

13

1.5 months

Pelvis

0,3

10

1 month

Lumbar vertebrae

0,8

30

3 months

Abdomen (native)

0.8

30

3 months

Urinary tract (urography)

2.4

80

9 months

CT scans

Head

1.2

40

4.5 months

Pulmonary

4

130

16 months

Abdomen

7

230

2 years

Body 9 300 3 years
Interventional radiologi      
Coronary artery examination using a contrast medium 8 270 2.5 years
Percutaneous transluminal coronary angioplasty 20 650 6.5 years

*) PA = posterioranterior views
According to STUK’s investigation, the data presented in the table is equal to the average radiation expo-sure of a person residing in Finland. The doses caused by both background radiation and X-ray examinations vary in different locations. Variation in excess of 30 per cent is not uncommon.