RADIATION DOSES FROM COMMON X-RAYS

Here is a list of the most common x-rays. It includes the average percentage of particular types make up of all x-rays ie, dental x-rays account for one quarter of all x-rays done. It also shows how much typical background radiation is contained in a single x-ray. For instance a single dental x-ray exposes you in an instant to the equivalent of three days’ worth of background radiation.


Examination Radiation Equivalent % all x-rays Dose (milliSieverts)Dental 3 days 25 20


Limbs and joints 16 days 25 100


Chest 8 days 24 50


Spine 1 year 7 2200


(lumbar spine) 5 months 900


(thoracic spine)


Skull 1 month 5.6 200


Stomach & intestines 1.7 years 2.5 3800


(barium meal) 3.5 years 700


(barium enema)


Abdomen 8 months 2.9 1400


Pelvis 7 months 2.9 1200


Urinary system 2 years 1.3 4400

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What Doctors Don't Tell You Written by What Doctors Don't Tell You

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