Thyroid nodule workup, TSH result interpretation, and treatment algorithms for hyperthyroidism and hypothyroidism in outpatient practice.
About this set
34 basic cards for Clinical Endocrinology Endocrine. Set 2 of 2 in Endocrinology. It opens with "A patient has a high TSH and a low free T4. What does this pattern indicate?" and "A patient has a low TSH and a high free T4. What does this pattern indicate?". More Healthcare and Nursing decks are listed below.
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- A patient has a high TSH and a low free T4. What does this pattern indicate?
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Primary hypothyroidism- A patient has a low TSH and a high free T4. What does this pattern indicate?
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Overt primary hyperthyroidism- A patient has a high TSH but a normal free T4. What does this pattern indicate?
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Subclinical hypothyroidism- A patient has a low TSH but a normal free T4. What does this pattern indicate?
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Subclinical hyperthyroidism- A patient has both a low TSH and a low free T4. What does this pattern suggest?
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Central (secondary) hypothyroidism, from a pituitary or hypothalamic problem- What is the best initial screening test for suspected thyroid dysfunction?
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Serum TSH- Which gland secretes TSH?
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The anterior pituitary gland- Rising thyroid hormone levels have what effect on TSH secretion?
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They suppress TSH secretion through negative feedback- What is the approximate normal reference range for serum TSH?
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About 0.4 to 4.0 mIU/L- How many weeks after a levothyroxine dose change should TSH be rechecked?
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About 6 to 8 weeks- What is the first test to order when a thyroid nodule is discovered?
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Serum TSH- In a thyroid nodule workup, if the TSH comes back suppressed, what is the next step?
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A radioactive iodine uptake (RAIU) scan- In a thyroid nodule workup, if the TSH is normal or elevated, what is the next step?
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Thyroid ultrasound- What procedure provides the definitive diagnosis for an indeterminate or suspicious thyroid nodule?
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Fine needle aspiration (FNA) biopsy- Name one ultrasound feature of a thyroid nodule that raises suspicion for malignancy.
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Microcalcifications
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