basic radiation protection

what did doctor mihran kassibian discover when workin with crooke’s tube

his hands started looking sunburnt and progressively got worse

what was discovered in the 1900s

there was an association between radiation poisoning and its harmful effects

cardinal rules of radiation protection

time, shielding, distance

basic radiation protection

filtration, collimation, intensifying screens, protective apparel, gonadal shielding, protective barriers

filtration

aluminum placed where x-rays leave x-ray tube to filter out low energy x-ray photons

collimation

restrict radiation field to area of interest

intensifying screens

x-ray energy converted to light

protective apparel

lead aprons used when in the room with a patient

gonadal shielding

lead material used in aprons and gloves

protective barriers

use of lead walls and doors to be protected from radiation exposure

radiation injury

erythema, alopecia, anemia, leukemia

erythema

skin redding

alopecia

hair loss

anemia

low red blood count

leukemia

white blood cell death

ten commandments of radiation protection

* cardinal rules
* false security
* never stand in primary beam
* wear protective apparel
* wear radiation dosimetry device, monitor outside of lead apparel
* do not routinely hold patients during exposure
* if holding patient, wear protective apparel
* use gonadal shielding for patients of child bearing age
* avoid imaging pregnant patients
* ALWAYS COLLIMATE