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Endocrine > Thyroid Disorders > Flashcards

Thyroid Disorders Flashcards

1
Q

cold intolerance

A

HYPOthyroidsm

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2
Q

Bradycardia

A

HYPOthyroidsm

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3
Q

Weight gain

A

Hypothyroid

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4
Q

Dry skin, brittle nails

A

HYPOthyroidism

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5
Q

Elevated TSH, low free T4

A

HYPOthyroidism

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6
Q

What does thioureas

A

blocks iodine organification for hyperthyroidism

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7
Q

What does propranolol treat?

A

used for symptomatic relief until hyperthroidsm is resolved

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8
Q

Most common form of hyperthyroidism

A

Graves Disease; this is an autoimmune disorder

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9
Q

Who gets Graves disease

A

women, ages 20-40, usually with a family hx

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10
Q

delayed DTR’s

A

hypothyroidism

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11
Q

What is a complication of hypothyroidism?

A

myxedema crisis: severe hypothyroidism which can lead to impaired cognition, ranging from confusion to somnolence to coma

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12
Q

suppressed TSH, increased T4/T3

A

hyperthyroidism

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13
Q

menorrhagia

A

heavy menses–> Hypothyroidsm

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14
Q

What labs would you expect in severe hypothyroidism?

A

hypothermia, hypoventilation, hyponatremia, hypoglycemia, hypotension

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15
Q

What drugs can cause hypothyroidism?

A

lithium, radiation

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16
Q

Heat intolerance

A

hyperthyroidism

17
Q

loose stools, sweating

A

hyperthyroidism

18
Q

Tachycardia

A

hyperthyroidism

19
Q

How do you treat hypothyroidism?

A

Levothyroxine (T4); titrate does up every 1-3 weeks

Once at maintenance does, continue with the same brand

20
Q

This is the most common thyroid disorder in the US

A

Hashimoto thyroiditis

21
Q

Who gets hashimoto?

A

usually women with a strong family hx, 20-50’s

22
Q

What are some disorders that hashimoto is associated with?

A

Usually autoimmune disorders: pernicious anemia, Sjogre

23
Q

What exam findings would you see in hashimoto?

A

enlarged, firm and nodular thyroid; dry mouth, dry eyes; if one lobe is enlarged think neoplasm

24
Q

True or False: hashimoto usually progresses to hypothyroidism

A

True! You don’t need to start patient on levothyroxine until TSH levels are LOW; at first presentation, TSH may be normal but these should be consistently checked

25
Q

Weight loss OR gain

A

Hyperthyroidism

26
Q

What might you find on physical exam in Graves disease?

A

Goiter, ophthalmopathy, exopthalmos

27
Q

In endemic goiter, what are the TSH and T4 levels?

A

usually euthyroid but some can vary

28
Q

What is an endemic goiter?

A

Low-iodine diet, usually only seen outside of the US in third world countries

29
Q

What happens to radioactive iodine levels in Graves disease?

A

Elevated (RAI), radioactive iodine uptake

30
Q

What are some complications of hyperthyroidism?

A

Increased risk of autoimmune disease, DM, celiac, Addison, vitiligo

Endocrine (3 decks)

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