Thyroid

Question 1

Iodine 131

Answer 1

• require special precautions
• need to teach patient what it will be like before and how they need to prepare
• Very Toxic! Once taken, considered “hot” radioactive for 5-7 days
• purpose: shrink thyroid by completely destroying the thyroid cells
• can produce hypothyroidism because the thyroid dies and no functions are left
• have to switch treatment from hyperthyroidism to hypothyroidism

Question 2

Iodine 131 precautions

Answer 2

• avoid other humans and animals for 5-7 days
• use disposable dishes
• keep all clothing and trash in room til radiation precautions have passed
• sometimes is used to visualize the thyroid in a diagnosis ( amount is such a small dose don’t have to worry about exposure)

Question 3

Iodine 131 nursing interventions

Answer 3

Look at vitals after treatment (could have decreased HR BP ETC)

Question 4

Lugols solution

Answer 4

• decrease blood flow to thyroid
• reduce the size of the thyroid while decreasing the production of T3 and T4
• short term solution given in preparation for thyroidectomy

Question 5

Saturated solution of potassium (SSKI)

Answer 5

• decrease blood flow to thyroid
• reduce the size of the thyroid while decreasing the production of T3 and T4
• can be an emergency treatment for hyperthyroidism (so-called thyroid storm), as high amounts of iodide temporarily suppress secretion of thyroxine from the thyroid gland

Question 6

Levothyroxine

Answer 6

• Drug of choice for replacement therapy for treatment of hypothyroidism
• synthetic T3 and T4 , mimics thyroid hormones
• give in the early morning, so that it’s on a empty stomach and doesn’t mess with them being able to sleep later
• teach to take HR
• get labs regularly on T3&T4

Question 7

Propylthlovracil PTU

Answer 7

• given when needing to drop temp, BP, HR
• IV -> BINDS to T3 and T4 and stops it from stimulating the sympathetic nervous system
• a thyroid storm can happen shortly after surgery or during surgery-> use this to block the T3 and T4
• can be used in combination to treat symptoms of thyroid storm
  
  • beta adrenergis blocker (decrease HR and BP)

Question 8

Propranolol

Answer 8

Non selective beta blocker

Treat high BP, chest pain, and uneven heartbeat

Question 9

Metoprolol

Answer 9

Beta 1 selective

Treat increased BP, chest pain, and heart failure

Question 10

Methimazole

Answer 10

• antithyroid medication
• block action of T3 and T4
• can reduce symptoms of hyperthyroidism (reduce BP, HR)
• this drug doesn’t fit into the category of azole drugs