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Pharm 8 Thyroid

What is secreted when there is a decrease in T3, T4, or both? TSH
Where is TSH secreted from? Anterior Pituitary Gland
A decrease in T4 and an increase in TSH indicates what? Primary Hypothyroidism
Normal TSH value is? 0.5-4.0
A lack of TSH and decrease in T3 and T4 indicates what? Secondary Hypothyroidism
Apathy, cold intolerance, Memory impairment, slow speech, edema, constipation, weight gain, and abnormal menses are s/s of? Hypothyroidism
Who is at risk for hypothyroidism? Risk increased in women >60 yo
What happens with Hasimoto Thyroiditis? Immune system attack on thyroid gland
TSH secretion from the gland is a ________ feedback mechanism Negative
CNS Stimulation. S/S include nervousness, irritability, heat intolerance, perspiration, hand tremors, palpitations, difficulty sleeping, weight loss, and thinning skin. Hyperthyroidism
Enlargement of the thyroid gland. May develop when too much or too little thyroid hormone. Most common cause is lack of iodine in diet. Goiter
Thyroid gland not working or removed. Synthroid
Natural or synthetic. Contain T3, T4 or both. Act as replacement or substitute when body's hormone levels can't meet its needs. Hypothyroid Agents
Levothyroxide sodium, Liothyronine sodium (T3) and Liotrix (synthetic T3 and T4) are what types of agents? Hypothyroid Agents
Agents that interfere with hormone synthesis. Modify tissue response to hormones. Destroy the thyroid gland. Hyperthyroid Agents
Inhibits synthesis of hormones. Can be used for thyroid Sx and with radioactive iodine therapy. Methimazole (Hyperthyroid Agent)
Treats thyroid crisis (thyroid storm). Inhibits conversion of T4 to T3. DOC in pregnancy (safer for fetus). Can be used to prepare thyroid gland before Sx or radioactive iodine therapy. Propylthiouracil (PTU) (Hyperthyroid Agent)
Used to prepare thyroid gland prior to surgery. Firms gland and decreases its vascularity. Iodine
Preferred treatment for hyperthyroidism. Exposes thyroid to altering radiation, thus destroying the gland. Radioactive Iodine 131
Beta adrenergic blocker used to treat cardiovascular symptoms of hyperthyroidism. Used prior to thyroidectomy to treat s/s before other agents become effective, and for thyrotoxic crisis. Propranolol
Thyroid agents may precipitate _________. Obtain order for EKG and nitroglycerin if develops. Chest Pain/Angina
Diarrhea, abdominal cramps, weight loss, tachycardia, angina, nervousness, and fever are s/s of what? Thyrotoxicity
Created by: mreedy