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ALARA in Practice
Time, distance, shielding, tight collimation, and no needless repeats: the daily habits that keep dose low.
The rule
ALARA stands for as low as reasonably achievable. It means every exposure should give a diagnostic image with no more radiation than needed, for the patient, for you, and for anyone nearby. It is not a single dose number. It is a set of habits you use on every exam.