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  1. USMLE Step 2 CK Forum
    Guys ... either i don't understand the whole concept how the dexamethasone suppression tests work or this is an error in MTB. what do you think? Thx
  2. USMLE Step 2 CK Forum
    i know that testosterone is produced either by testes or ovary now in GYN kaplan i read that it is also produced by adrenal glands which one is correct ? :toosad:
  3. USMLE Step 2 CK Forum
    if a patient had amenorrhea for 3 months , low BMI , Hx of vigorous exercise the next step is FSH or BHCG to rule out pregnancy ? thank you
  4. USMLE Step 2 CK Forum
    how can coarctation of aorta cause secondary hyperaldosteronism?
  5. USMLE Step 2 CK Forum
    most likely contribution to the development of diabetic foot ulcer 1/diabetic neuropathy 2/decrease circulation
  6. USMLE Step 2 CK Forum
    best management of hyperthyroidism -antithyroid drugs or radioactive iodine
  7. USMLE Step 2 CK Forum
    KLN says it's a symptom free period and treatment (insulin) is not needed. and that it's caused my 'stress induced epinephrine release blocks insulin secretion, causing the syndrome' how would this diabetic patient in the honeymoon period not need insulin while it's blocked from being released...
  8. USMLE Step 2 CK Forum
    the role of imaging in primary hyperparathyroidism do we need to do imaging studies before surgery to locate the affected gland or only neck exploration is enough? (KLN mentioned both and caused a confusion:confused::confused:). thank you
  9. USMLE Step 2 CK Forum
    If in the options for Tx of DKA is given both A. aggressive IVF with 0.9% normal saline B. IV insulin Which one should we choose ?
  10. USMLE Step 2 CK Forum
    MTB 2 p.120 Why do we scan brain and do petrosal sinus sampling if we can exclude pituitary adenoma by being not suppressible with high dose dexamethasone test
  11. USMLE Step 2 CK Forum
    Any one can help me with this USMLE World no 3595 , how can we have secondary hypogonadisim and impotence while the FSH is normal , what does he mean by inappropriately normal serum gonadotropin level ???
  12. USMLE Step 2 CK Forum
    Can someone explain me these scenarios and the exact serum levels: 1) OCP use and serum Free,bound,total and TSH.. 2) Pregnancy and serum levels.. Does TSH stimulation by hcg with mild inc free T3,T4 and mild dec TSH considered? 3) Hormone replacement in a pt with hypothyroidism and serum...
  13. USMLE Step 2 CK Forum
    hi I just read that intestinal cells have a gene that makes glucagon. the ribosomes make proglocagon that gets broken into GRPP and oxylotomodulin. oxylotomodulin suppresses appetite. my question......when glucagon is released in fasting state, shouldn't the by products of glucagon synthesis...
  14. USMLE Step 2 CK Forum
    Does low K+ cause increased insulin release or decreased? UWorld for some reason says increased released, but I am pretty sure it is decreased release.
  15. USMLE Step 2 CK Forum
    guys, i've a doubt....how hypo/hyper parathroidism is associated with vit.A def./toxicity...?:confused: (couldnt find it in google) given in mtb2 ck---2012 edition pg. 438 pls anyone clarify me....thanks:)
  16. USMLE Step 2 CK Forum
    Anyone know why u see hypercalcemia in hyperthyroidism?:confused:
  17. USMLE Step 2 CK Forum
    What is the best initial test for cushings syndrome? In MTB, it says the best initial test is 24-hr urine cortisol. But in KLN, it is the overnight dexamethasone suppression followed by the urine cortisol. I'm confused. Can anyone help shed some light. Thanks. :notsure:
  18. USMLE Step 2 CK Forum
    I do not know if I am out of it but new MTB 2 pg 120 2nd paragraph why would you do a MRI of the brain if you cannot suppress the ACTH with high dose Dexamethasone? Would you not go for CT of the Chest, and Ab to look for ectopic causes since ectopic is not suppressed by dexamethasone?
  19. USMLE Step 2 CK Forum
    Was looking at MTB 2 pg 115 and it states that ultrasound is not needed if the you have a normal TSH or decreased T4 since it does not change your management since you will go straight to FNA especially if nodule is 1cm or more. On UWorld question ID 3484 in the explanation they have a flow...
  20. USMLE Step 2 CK Forum
    Just confusion on my part but was wondering what is the best thing to do in a pt who has a nodule? USMLEWorld states to do initial Serum TSH study, but in Step up to Medicine it states to do FNA 1st (pg 172).
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