SFOS 75

Card Set Information

Author:
zf2010
ID:
90529
Filename:
SFOS 75
Updated:
2011-06-13 20:49:42
Tags:
Disorders Thyroid Gland
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Description:
SFOS 75
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  1. Cretinism
    • Hypothyroidism from birth
    • Intellectual and developmental impairment
  2. Myxedema
    Severe hypothyroidism with generalized edema
  3. Lymphocytic (Hashimoto's) thyroiditis
    Cytotoxic antibodies attack thryoid follicular cells
  4. What mediates the formation of a goiter?
    Increased TSH levels in response to chronic low thyroid hormone levels
  5. What are the pituitary causes of hypothyroidism?
    • Pituitary tumor
    • Sheehan's syndrome (postpartum)
    • Autoimmune hypohysitis
  6. TSH levels in:

    1. Primary thyroid disease
    2. Pituitary or hypothalamic disease
    • 1. Increased
    • 2. Low or undetectable
  7. Thyrotoxicosis
    • Tissue is exposed to excess thyroid hormone
    • Can be caused by hyperthyroidism
  8. Grave's disease
    • Hyperthyroidism from diffuse toxic goiter
    • Caused by TSH receptor-stimulating autoantibodies
    • Continuous thyroid hormone synthesis
  9. Treatment of thyrotoxicosis
    • Antithyroid agents - block hormone synthesis
    • Radioactive iodine therapy (resulting hypothyroidism)
    • Subtotal thyroidectomy (resulting hypoparathyroidism)
  10. Causes of hyperthyroidism
    • Grave's disease
    • TSH-mediated hyperthyroidism (pituitary adenoma)
    • Trophoblastic thyrotoxicosis (HCG stimualtes thyroid production)
    • Iodine-induced thyotoxicosis (excess iodine)

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