ENDOCRINE DISORDERS Flashcards
RAIU
RADIOACTIVE IODINE UPTAKE
Ingest a radioactive isotope
iodine isotope
Amount of radioactivity is measured in ________and
again at _________
2-4 hours and 24 hours.
Route of administration of radioactive iodine
PO/ IV
Radioactive dose is
small and harmless
24 hours
5-30 %
2-4 hours
3-10 %
RAUI is contraindicated in
Pregnancy
RAUI: Foods that may elevate result: SSCF
Seafoods, shellfish, crab, fish
RAUI: Drugs that may elevate result:
BELP
RAUI: Drugs that may decrease result:
LASAAC
RAUI: NPO before the test but can have food _________ after
the oral dose is given.
1 hour
T3
TRIIODOTHYRONINE
this serum test is used to diagnose
hyperthyroidism
TRIIODOTHYRONINE (T3)
T3 Normal:
80-200 ng/dl
Normal free T4:
1-2.3 ng/dl
T3: Drugs that may elevate result:
EO
T3: Drugs that may decrease result:
LIP
o Lithium
o Inderal (Propanolol)
o Phenytoin (Dilantin)
Chemical that administered before scanning the thyroid gland:
technetium
this serum test aid in the diagnosis of
hyperthyroidism
THYROXINE (T4)
T4
THYROXINE
T4: Drugs that may elevate result:
EO
T4: Drugs that may decrease result:
LIP
to identify nodules or growths in the thyroid gland
THYROID SCAN
Route of technetium:
PO/IV
Given technetium:
30 minutes before the test
TS: Discontinuing medications containing iodine for________ before the test
14 days
Reassure the client that the level of radioactive medication is __________.
safe
NPO status before the test; if iodine is consumed, the client will fast for an additional __________________.
45 minutes
TS: contraindicated with:
Pregnancy
Determine whether the client has received radiographic contrast agents within the past _____________.
3 months
Cold nodules:
Cancer
aids in the diagnosis of DM
GLUCOSE TOLERANCE TEST
GTT: 2 hours after ingestion of glucose
____________________.
higher than 200 mg/dL
Hot nodules:
Benign
Eat a diet with at least __________ of carbohydrates for_______ before the test.
200-300 g ; 3 days
Avoid alcohol, coffee, and smoking for ________________before testing.
36 hours
NPO for ___________ before the test
10-16 hours
Withhold morning __________________ medication
insulin or oral hypoglycemic
Blood samples will be drawn at______________ intervals for a minimum of _____________
30 minute; 3 hours
GTT: Avoid strenuous exercise for_______________ before and after the test.
8 hours
