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Old 09-08-2012
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Arrow Gyrus Daily Questions; Pediatrics #30

A 7-day-old boy is admitted to a hospital for evaluation of vomiting and dehydration. Physical examination is otherwise normal except for minimal hyperpigmentation of the nipples. Serum sodium and potassium concentrations are 120 meq/ L and 9 meq/ L, respectively; serum glucose is 120 mg/dL. The most likely diagnosis is

a. Pyloric stenosis
b. Congenital adrenal hyperplasia
c. Secondary hypothyroidism
d. Panhypopituitarism
e. Hyperaldosteronism
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Old 09-08-2012
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Answer B 21 hydroxylase deffiiciency ,Decreased mineralocorticoid leads to volume depletion and hyperkalemia.Decreased cortisol and increased ACTH (hyperpigmentation),Hypotension.
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Old 09-08-2012
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yes its B.....CAH
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Old 09-09-2012
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Quote:
Originally Posted by step_enhancer View Post
Answer B 21 hydroxylase deffiiciency ,Decreased mineralocorticoid leads to volume depletion and hyperkalemia.Decreased cortisol and increased ACTH (hyperpigmentation),Hypotension.
exactly
STEP 1 Q
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Old 09-09-2012
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Quote:
Originally Posted by heartbeat View Post
exactly
STEP 1 Q

Answer is B for confirmation...
Sorry I didn't notice that..
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