Thyroid medications Flashcards
Euthroid
normal thyroid function
high TSH means?
hypothyroidism
low TSH means?
hyperthyroidism
metabolism is super slow, patient is cold, hair loss, edema, blank look on their face, weight gain, skin is going to be dry coarse and scaly, everything is in slow motion, gi system is slowed – constipation, tachycardia, they may even have low temperature, severe (low level of consciousness), menstrual disturbances (will stop) or will not be regular, may have a GOITER –enlarged thyroid gland
hypothyroidism
- enlargement of thyroid gland resulting from too much TSH due to too little thyroid hormones in circulation
Goiter-
Long duration of untreated hypothyroidism
Most severe form of hypothyroidism
Considered a life-threatening complication
Not common, but tends to be seen more frequently in patients over 50 years and in women
Increased incidence in the winter months likely secondary to the extremes in temperature
Loss of brain function or death can occur
hypothermia possible
will have very little hair on body on arms, legs, will have very little or no hair and is very brittle, may be missing the outside third of their eyebrows
Myxedema Coma/Crisis
Hypothermia
Severe mental changes and ultimately, deep coma
Significant swelling (edema) all over the body
Sparse, dry hair, and loss of the outer1/3 of the eyebrows
Difficulty breathing
Pleural effusion and pericardial effusion
Bradycardia, impaired pumping of heart
GI tract does not function well = paralytic ileus
S/S Myxedema Coma
What medication is used for hypothyroidism?
levothyroxine
Hyperthyroid
Recent MI
Adrenal insufficiency (adrenal glands don’t release cortisol)
contraindications for thyroid hormones
Adverse effects:
Often due to overdose (hyperthyroid)- cardiac dysrhythmias (tachycardia, palpitations)
Tremors, anxiety, weight loss
May enhance anticoagulants (warfarin) (monitor closely)
adverse effects of thyroid hormones (levothyroxine)
Half life long enough for once daily dosing
Should be given in the am 30-60 minutes before a meal- The same time every day
Mimics T4 (thyroxine)
Not a cure- will have to remain on drug
Dosed in mcg
25–200 mcg/day (any order over 200 mcg/day should be questioned)
Pregnancy safe
May take 3 weeks or more to change sx
Monitor thyroid panel
levothyroxine
Obtain baseline and monitor through treatment:
Vital signs, weight, height
Monitor T3, T4, and TSH lab levels
Assess for signs of cardiac excitability… such as? -Rapid heart beat, palpitations,
Nurses notes for both hypo and hyperthyroidism
Too much thyroid hormone
hyperthyroidism
increased metabolic rate, temperature, and pulse, restlessness, anxiety, emotional instability
s/s of hyperthyroidism
sudden onset of hyperthyroid symptoms with emphasis on cardiovascular and CNS symptom
– sudden onset of hyperthyroid symptoms with elevated pulse and blood pressure
thyroid storm