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15 Cards in this Set
- Front
- Back
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Sx:
-low FSH, LH, ACTH, TH, GH -high PRL Dx? |
hypothalamic lesion or compression of pit stalk
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how do pt with hypothalamic lesion present?
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all ant pit hormones are low, except PRL (incr PRL)
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how do pt w/compression of pit stalk present?
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all ant pit hormones are low, except PRL (incr PRL)
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all pit hormones are low
Dx? |
hypopituitarism
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Tx person with low TH and high PRL?
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-they have high PRL d/t hypothy.
Tx underlying thyroid condition, not hte PRL levels! |
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which hormones are secreted in pulsatile manner?
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all ant pit hormones
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when is TSH secretion highest?
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from midnight til early morning
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low Na
high K hyperpigmented |
prinary AI (Addison's Dz)
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Tx hypopituitariam
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replace end organ hormone
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hypopituitarism
-et? |
1. pituitary tumor destroys pituitary
2. Empty Sella Syndrome --defect in diaphragma sella ==>pit gland replaced by CSF 3. Pituitary apoplexy --hemorrhage into pituitary tumor |
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regulation of GH sretion
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-GH-RH stimulates
-somatostatin inhibits |
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systemic effects of acromegaly
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1. MCCoD= cardiomegaly/cardiomyopathy
2. HTN 3. DM/insulin rsistance 4. colonic polyps 5. arthritis 6. skin tages 7. incr bone turnover 8. galactorrhea |
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Sx of Hyperprolactinemia
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Women:
-amenorrhea -galactorrhea Men: impotence |
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what causes central DI?
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injure hypothalamus (produces ADH) or pituitary stalk (ADH and oxytocin travel down pit stalk to get to target organ)
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causes of polyuria
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1. DI
2. high Ca++ and low K+ (always check serum electrolytes!) |
