mod 8: hypothyroid Flashcards
Hypothyroid more common in ___,___
women, elderly
secondary hypothyroidism results from malfunction of ___ or ____ glands= ___
pituitary or hypothalamus gland malfunction = vTSH
Primary hypothyroidism = defect in _____
d/t (6)
defect in thyroid gland itself
congenital defects, thyroidectomy, radiation, vIodine, anti-thyroid meds, thyroid hormone synthesis impairment
Hashimotos thyroiditis
autoimmune disorder that =
___, ____destruction, ____tissue
inflammation, cellular destruction, scar tissue
hypothyroid effects on body systems
all decreased
^peripheral resistance, prolonged PR,inverted t wave, cardiac tamponade
cold intolerant,hld, edema, hyponatremia
Secondary hypothyroid caused by
____most commonly
_____injury, _____hemorrhage, ___infarction
pituitary tumors most commonly
traumatic brain injury, subarachnoid hemorrhage, pituitary infarction
subclinical hypothyroid labs
mild/high ___, normal ____
Mild, high Tsh normal t3 t4
myxedema coma (emergency) has the opposite effect of \_\_\_\_ = decrease in \_\_\_\_\_\_ that can be sudden or gradual
Thyroid storm
Decreased level of consciousness
myxedema s/s
7
Hypotension Hypo ventilations Hypothermia Hypoglycemia Lactic acidosis coma Shivering
who is at increased risk for myxedema coma
Elderly w comorbidities Uti Hf Stroke W untreated or moderate hypothyroidism