NUR565 Final Exam - Week 5
With Solution
Labs to diagnose thyroid disorders
T4, T3, TSH
Hyperthyroidism labs
Low TSH, high T3 and T4
Hypothyroidism labs
High TSH, low T3 and T4
Timeframe for re-check of labs after starting levothyroxine?
Recheck TSH 6-8 weeks after initiating therapy and after any dosage change
Check TSH at least once a year after serum TSH is stabilized
Signs of Hypothyroidism
THINK SLOW
signs of hyperthyroidism
THINK FAST
Treatment of thyroid storm
Beta blockers (propranolol), PTU, corticosteroids (prednisone)
Thyroid storm
, a relatively rare, life-threatening condition caused by exaggerated
hyperthyroidism
thyroid storm symptoms
really high fever and VS and really crazy(psychotic delirium, reassure)
Result of not treating hypothyroidism during pregnancy
Can result in permanent neuropsychological deficits in the child - decrease
child's IQ
dose of thyroid replacement while pregnant
increase dose by 50% max between weeks 4-8 of gestation and the levels will
level out by week 16
Medication to treat symptoms of hyperthyroidism
Methimazole - first line drug of choice (not given to women who are
pregnant or breastfeeding)
Methimazole blocks synthesis of thyroid hormone.
Food interactions with levothyroxine
Absorption of levothyroxine is reduced by food - it should be taken on an
empty stomach in the morning, at least 30-60 minutes before breakfast
Drugs that interact with levothyroxine- REDUCE
H2 receptor blockers, PPIs, Carafate, Questran, Colestid, Maalox/Mylanta,
Tums, iron, Mag salts, Xenical
Drugs that interact with levothyroxine- ACCELERATE
With Solution
Labs to diagnose thyroid disorders
T4, T3, TSH
Hyperthyroidism labs
Low TSH, high T3 and T4
Hypothyroidism labs
High TSH, low T3 and T4
Timeframe for re-check of labs after starting levothyroxine?
Recheck TSH 6-8 weeks after initiating therapy and after any dosage change
Check TSH at least once a year after serum TSH is stabilized
Signs of Hypothyroidism
THINK SLOW
signs of hyperthyroidism
THINK FAST
Treatment of thyroid storm
Beta blockers (propranolol), PTU, corticosteroids (prednisone)
Thyroid storm
, a relatively rare, life-threatening condition caused by exaggerated
hyperthyroidism
thyroid storm symptoms
really high fever and VS and really crazy(psychotic delirium, reassure)
Result of not treating hypothyroidism during pregnancy
Can result in permanent neuropsychological deficits in the child - decrease
child's IQ
dose of thyroid replacement while pregnant
increase dose by 50% max between weeks 4-8 of gestation and the levels will
level out by week 16
Medication to treat symptoms of hyperthyroidism
Methimazole - first line drug of choice (not given to women who are
pregnant or breastfeeding)
Methimazole blocks synthesis of thyroid hormone.
Food interactions with levothyroxine
Absorption of levothyroxine is reduced by food - it should be taken on an
empty stomach in the morning, at least 30-60 minutes before breakfast
Drugs that interact with levothyroxine- REDUCE
H2 receptor blockers, PPIs, Carafate, Questran, Colestid, Maalox/Mylanta,
Tums, iron, Mag salts, Xenical
Drugs that interact with levothyroxine- ACCELERATE
