Endocrine Flashcards

1
Q

Failure of the hypothalamus to secrets thyroid releasing hormones
What kind of HYPOTHYROIDISM

A

Tertiary hypothyroidism

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3
Q

What is the diagnostic procedure for hypothyroidism?

A

Radioisotope scan and uptake -results are low uptake of iodine preparation

ECG - dysrhythmia, Bradycardia

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4
Q

Secondary thyroidism

A

Dysfunction of the anterior pituitary gland

Decreased or within range tsh

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5
Q

Dysfunction of the thyroid gland
Autoimmune thyroidism, use of meds that decrease the synthesis of thyroid hormone, loss of the thyroid gland
INCREASED TSH

A

PRIMARY HYPOTHYROIDISM

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6
Q

What supplement interferes with the absorption of LEVOTHYROXINE (Synthroid) ?

A

Fiber supplements

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8
Q

Medications that can accelerate the metabolism of levothyroxine?

A

Carbamazepine, phenytoin, rifampin,sertraline, & phenobarbital
Thus requiring an increase in dosage of levothyroxine

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10
Q

What are expected lab findings of Cushing disease?

A

INCREASED cortisol,glucose,sodium, and salivary cortisol

DECREASED potassium,calcium, and lymphocytes

Medication therapy or adrenal cortex disorders =decreased ACTH

Hypersecretion of ACTH in anterior pituitary= INCREASED ACTH

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11
Q

The insufficiency of cortisol and aldosterone is what disease?

A

Addison’s disease

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13
Q

Expected T4 range (THYROXINE)

A

5-12 mcg/dL for women

4-12 mcg/dL for men

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14
Q

Myxedema coma

A

Extreme hypothyroidism

Manifestations-respiratory failure, hypothermia, hypoglycemia, hypotension, bradycardia,dysrhythmia,coma

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15
Q

Primary hypothyroidism?

A

Dysfunction of the thyroid gland
Autoimmune thyroidism, use of meds that decrease the synthesis of thyroid hormone, loss of the thyroid gland
INCREASED TSH

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20
Q

EXPECTED T3 range (TRIIODOTHYRONINE)

A

70-205 ng/dL (ages 20-50)

40-180 (ages 50 and up)

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21
Q

Labs for Addison’s disease (adrenal insufficiency)

A

Increased calcium, potassium, bun & creatinine

Decreased cortisol, sodium
Normal to decreased glucose

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22
Q

What are the Rapid acting insulins? And the avg onset?

A

LAG
LISPRO, aspart, glulisine
Avg onset is 10-30 min
Should be taken before meals

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23
Q

What are the short acting insulin? & its onset?

A

Regular insulin
30-60 min onset, taken before meals
2-4 hour peak

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24
Q

What are the intermediate insulins and what is the onset & peak?

A

NPH is intermediate insulin
Onset of 1-2 hrs
Peak of 4-6 hrs
Once a day , same time every day

25
Q

What are the long acting insulins? Onset ? Peak?

A

Detemir & glargine
Dissolves slowly over 24 hrs
No peak but duration is 12-24 hrs

26
Q

Palpitations, shakiness, lighthededness are manifestations of??

A

Hypoglycemia manifestations

27
Q

Polyuria, fruity breath odor & blurred vision are manifestations of ?

A

Manifestations of Hyperglycemia

28
Q

Adrenal insufficiency manifestations?

A

Low sodium (hyponatremia), irritability, nausea, orthostatic hypotension, high potassium, hyperkalemia