NBME 18 Prolactin: decreased, Adrenocorticotropic hormone: decreased, thyroid-stimulating hormone: decreased, aldosterone: decreased (NBME Answers)

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Retired NBME 18 Answers

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A 23 year old woman, gravida 1, para 1, is ...
Prolactin: decreased, Adrenocorticotropic hormone: decreased, thyroid-stimulating hormone: decreased, aldosterone: decreased 🔍 / 📺 / 🌳 / 📖
tags: endo

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submitted by ∗aakb(41)

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Sheehan syndrome - ischemic infarct of pituitary following postpartum bleeding: pregnancy-induced pituitary growth; inc susceptibility to hypoperfusion; usu presents w/ failure to lactate, absent menstruation, cold intolerance

FA 2020 p 339

Keys here are recent delivery w/ severe bleeding requiring transfusions + inability to breastfeed (decreased prolactin)

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rmnss96 sheehan syndrome leading to secondary adrenal insufficiency +

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submitted by ∗avatar(17)

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the Aldosterone was INCREASED in the answer

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epiglotitties Hi i don't mean to sound silly, i picked the right answer but didn't really understand why aldosterone is increased.. do you mind explaining? +

avatar she is hypotensive.. "light-headedness", her BP is 100/50 mmHg. so hypoperfusion into kidneys activate RAAS. Increase Rennin, Increase Aldosterone(collecting ducts reabsorb Na, secrete K and H), Increase Angiotensin II activity +4

imgdoc Also aldosterone isn't an anterior pituitary hormone. It's an adrenal hormone, furthermore it isn't under the control of ACTH, Angiotensin 2 causes levels of aldosterone to increase. +

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