Dr. Boyce - Thyroid
Terms in this set (35)
The active thyroid hormone is:
Free ___ is converted to T3 by tissue _____.
TSH normal range:
0.5 - 2.5
Mild hypothyroidism =
Overt hypothyroidism levels
Low free T4 or T3
Complication of Grave's -- fluid incorporated into the tissue
Hypothyroidism symptoms include ___ skin, feeling ___, hair ____, and _____ with poor appetite.
Hypothyroidism symptoms including feeling ____ and ____, difficulty _____ and poor memory, and ____ voice.
Tired and weak
GI symptom of hypothyroidism:
Gyno symptom of hypothyroidism:
Menorrhagia -- later oligomenorrhea or amenorrhea
Sensory symptoms of hypothyroidism:
Parasthesias and impaired hearing
Signs of hypothyroidism include ____ skin, ____ peripheral extremities, and _____ face, hands, and feet.
Effect of hypothyroidism on the heart:
Effect of hypothyroidism on reflexes:
Delayed tendon reflex relaxation
Hypothyrodism can cause ____ ____ syndrome and ____ _____ effusions.
Long-term CV consequences of hypothyroidism:
Decreased cardiac output
Increased diastolic pressure
Hypothyroidism can cause ____ CO and ____ diastolic pressure.
Long-term neuropsych consequences of hypothyroidism:
Dementia and depression
Hypothyroidism can cause ___ coma.
Hypothyroidism can cause _____ in pregnant women.
Initial dose, adults <65 yrs:
50-100 mcg/day; do not exceed 1.6 mcg/kg/day (IBW)
Usual maintenance dose, adults <65 yrs:
1.6 mcg/kg/day (IBW)
Initial dose, adults >75 yrs:
Usual maintenance dose, adults >75 yrs:
Drugs that decrease levothyroxine absorption:
Food, fiber, soy, enteral feedings
Aluminum salts, sucralfate
Cholestyramine, colestipol, sodium polystyrene sulfonate
Separate drugs that decrease levothyroxine absorption by:
Relatively absolute contraindications to levothyroxine:
Precautions when giving levothyroxine:
Using for obesity
How often do you check TSH after starting levothyroxine?
Increase or decrease levothyroxine dose by ____ based on TSH.
Whenever you increase or decrease levothyroxine dose, recheck TSH in:
How often do you check TSH in stable patients?
Every 6-12 months
Adults with ischemic heart disease, levothyroxine dosing:
12.5 - 25 mcg/day initial
T4 normal range