Basic Invasive Principles/Pharmacology Flashcards
Dense/thick tissue absorbs ______ radiation
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ALARA stands for what
As Low as Reasonably Achievable
3 Principles of radiation safety
Time, distance, shielding
Amount of ionizing radiation in air during exposure of radiation made
R (Roentgen)
RAD
Radiation absorbed dose
REM
Roentgen Equivalent in man
HCW allowable mREM/yr
5000
HCW lifetime allowable dose
5 REM - (age-18)
Patient allowable mREM for single organ (per year)
50,000
Patient lens of eye allowable mREM
15,000/yr
Embryo/fetal dosage allowed
500 mREM/10 mo or 50 mREM/mo
Angiography mREM
1100
PCI mREM
3300
RF ablation mREM
1500
Early effects of radiation exposure
Erythema, epilation, nausea, vomiting, GI bleed, skin damage/ulcers
Late effects of radiation
Leukemia, cancer, genetic effects, cataracts, thyroid problems