Dr. Bray Links

Sunday, January 3, 2016

Calculate Your Xray Risks



Comparison Doses
Natural Background 
3.1 mSv/year
Average US Exposure
6.2 mSv/year
Chest x-ray (2 views)
0.10 mSv
Domestic Pilots
2.2 mSv/year
7 Hour Airline Flight
0.02 mSv
Chest CT
7.0 mSv

Estimated Lifetime Risk of Death from Various Sources
Motor Vehicle Accident   1% or 1 in 100 chances
Drowning   0.1% or 1 in 1000 chances
Bicycle Accident   0.01% or 1 in 10,000 chances
Lightning   0.001% or 1 in 100,000 chances

Keep in mind, the overall lifetime risk of developing an invasive cancer is 37.5% (1 in 3) for women and 44.9% (1 in 2) for men regardless of imaging history. These statistics are averages and do not predict what is going to happen to you. They do not take into consideration individual risk factors including lifestyle (smoking, diet, exercise, etc), family history (genetics) or radiation exposure. The majority of cancers occur later in life and the average lifetime risk of dying from cancer is 25% (1 in 4).

http://www.xrayrisk.com/calculator/calculator-normal-studies.php

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