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Resident
Orientation Manual (Feb. 2000)
Produced by Galveston Shriners Burn Hospital and
The University of Texas
Medical Branch Blocker Burn Unit.
Contributors: Sally Abston MD, Patricia Blakeney
PhD, Manubhai Desai MD,
Patricia Edgar RN, CIC,John P Heggers PhD, David N Herndon MD,
Marsha Hildreth RD, Janet A
Marvin RN, MSN,
Ray J Nichols Jr. MD
RADIATION SAFETY
Everyone is exposed daily to various kinds of radiation:
heat, light, ultraviolet, microwave, ionizing and so on. For the
purpose of this guide, only ionizing radiation (such as x-rays, gamma rays,
neutrons and other high-speed atomic particles) is considered.
Actually, everything is radioactive and
all human activities involve exposure to radiation. People are exposed
to different amounts of natural 'background' ionizing radiation depending on
where they live. The average person is exposed to a total dose of
about 125 millirems per year from natural background radiation.
Biologic effects of ionizing radiation:
Genetic - radiation induced gene mutations, chromosome
breakage and anomalies
Somatic - incidence of leukemia, thyroid tumors, skin lesions and cataracts
Growth - adverse effects of fetus and young children
Life Span - shortened life-span or premature aging
To prevent injury:
Keep your radiation exposure as low as reasonably
achievable by:
- Reducing the time and potential for exposure.
- Maintaining distance from radiation sources.
- Using shielding.
Observe radiation safety practices:
1. Identify radiation warning signs.
2. Observe rules of time, distance and
shielding.
In Labs:
Do not smoke, eat, drink, or
apply cosmetics around radioactive materials in labs.
Do not pipette solutions by mouth
in labs where radioactive materials are used.
Use disposable gloves while
handling radioactive material when feasible.
Wash hands after working around
radioactive material.
In Clinical Areas:
Wear protective shielding
material when indicated.
Wear a monitoring device based
on use of radiation equipment or radioactive materials if your job requires
it.
Do not hold patients for
radiological procedures.
3. When in doubt, ask the hospital's Safety
Officer by calling #6675.
Next - Electrical
Safety
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