Page 2104 - Saunders Comprehensive Review For NCLEX-RN

e. All metallic objects are removed

before the test.
2. Quantitative ultrasound
a. Quantitative ultrasound evaluates
strength, density, and elasticity of
various bones, using ultrasound rather
than radiation.
b. Inform the client that the procedure is
painless.
E. Bone scan
1. Description: A bone scan is used to identify, evaluate,
and stage bone cancer before and after treatment; it is
also used to detect fractures.
a. Radioisotope is injected intravenously
and will collect in areas that indicate
abnormal bone metabolism and some
fractures, if they exist.
b. The isotope is excreted in the urine and
feces within 48 hours and is not
harmful to others.
2. Interventions
a. Food and fluids may be withheld before
the procedure.
b. Ensure that informed consent has been
obtained.
c. Remove all jewelry and metal objects.

d. Following the injection of the

radioisotope, the client must drink
32 oz of water (if not contraindicated)
to promote renal filtering of the excess
isotope.
e. From 1 to 3 hours after the injection,
have the client void to clear excess
isotope from the bladder before the
scanning procedure is completed.
f. Inform the client of the need to lie
supine during the procedure and that
the procedure is not painful.
g. Monitor the injection site for redness
and swelling.
h. Encourage oral fluid intake following
the procedure.

No special precautions are required after a

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