Hypothyroidism Flashcards
Sx of Hypothyroidism
Weakness, cold intolerance, constipation, menorrhagia, hoarseness, dry skin, bradycardia
Delayed DTR
What is primary hypothyroidism due to?
Thyroid gland disease
What is secondary hypothyroidism due to?
Lack of pituitary TSH
What is an autoimmune cause of hypothyroidism?
Hashimoto’s
Is T3 a good test for hypothyroidism?
Not a good test for routine hypothyroidism
Radiation therapy to what area can cause hypothyroidism?
Head-neck-chest-shoulder region
Early sx of hypothyroidism
Fatigue, lethargy, weakness
Muscle cramps, myalgias
Cold intolerance
Dry skin
Weight gain
HA
Menorrhagia
Late sx of hypothyroidism
Slow speech
Peripheral edema
Pallor, hoarseness
Decreased senses
Early signs of hypothyroidism
Thin, brittle nails
Thinning hair
Late signs of hypothyroidism
Goiter
Puffiness of face and eyelids
Thinning of eyebrows
Labs for hypothyroidism
TSH
Treatment of hypothyroidism
Levothyroxine (T4) 25-75mcg PO
How often should thyroid function tests be conducted for patients with hypothyroidism taking Levothyroxine?
Every 4-6 weeks
What complication can occur from hypothyroidism?
Myxedema
Increased susceptibility to infection
Megacolon
Organic psychoses
Angina pectoris
Adrenal crisis
