endocrine: thyroid hormone

Question 1

thyroid hormone moa

Answer 1

synthesis forms of t3 or t4 that increases metabolic rate, protein synthesis, cardiac output, renal perfusion, oxygen use, body temp, blood volume, growth processes

Question 2

thyroid hormone therapeutic uses

Answer 2

thyroid hormone replacement (hyperthyroidism)

Question 3

thyroid hormone common meds

Answer 3

levothyroxine

Question 4

thyroid hormone complication

Answer 4

• overmedication (thyrotoxicosis)- anxiety, tachycardia, cp, nervousness, tremors, palpitations, abd cramping, heat, intolerance, fever, diaphoresis, weight loss
• chronic over treatment- atrial fibrillation

Question 5

thyroid hormone contraindications

Answer 5

• thyrtoxicosis
• adrenal insufficiency
• following MI
• caution with cardiovascular disease
• caution in older adults an diabetes

Question 6

thyroid hormone interactions

Answer 6

• catecholamines
• binding agents
• food can reduce absorption
• anti seizure and antidepressants medications (increase levels)
• warfarin (can increase levels)

Question 7

thyroid hormone nursing implications

Answer 7

• obtain baseline vitals, weight, and monitor periodically
• monitor for cardiac symtoms
• dose is increase gradually over several weeks. Full effect can take 6-8 weeks*****
• monitor thyroid levels
• have pt. take before breakfast on an empty stomach **

Question 8

thyroid hormone pt. teaching

Answer 8

• take the medication daily on an empty stomach 30-60 min before breakfast
• lifelong replacement is important even after synths improve
• do not stop taking it without checking with your provder
• check with your prover before switching to another brand of levothyroxine (they vary, may need dosage adjustments)