1-uWorld Flashcards

1
Q

euthyroid sick syndrome has
-TSH
-FT4
-T3

A

-normal
-normal
-decreased

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2
Q

secondary prevention vs primary in terms of statin

A

Secondary is after MI/Stroke

Primary is if 40y w/ DM or LDL>90 or 10y risk

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3
Q

what does spironolactone do to testosterone

A
  • increases conversion testosterne-> estrogen
  • increases testosterone clearance
  • decr testosterone production
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4
Q

what is a good substitute for spironolactone in men who develop gynecomastia? why?

A

epleronone

mores specific than spironolactone and has fewer endocrine effects

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5
Q

tx myxedema coma

A

iv T3 T4
iv steroids (bcs adrenal insuff may coexist)

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6
Q

clinical presentation myxedema coma

A

brady
hypothermia
decr RR
puffy face, tongue
altered lethargic

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7
Q

what can trigger myxedema coma

A

meds ie opioids
infection/acute illness

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8
Q

what is the first electrolyte drop after thyroidectomy?

what can it cause to happen?

A

hypocalcemia

Laryngospasm

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9
Q

metabolic alkalosis with Urine chloride <20 means

(why is the urine chloride low?)

A

diuretic overuse (CHRONIC)

vomiting

(kidney’s trying to correct by re-absorbing chloride in a volume depleted situation…

therefore very saline resonsive)

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10
Q

metabolic alkalosis with Urine chloride >20 means

A

Hypervolemic:
- Cushing
- Hyperaldosterone/conn’s

Hypovolemic:
- barter gittleman
-diuretic overuse (ACUTE)

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11
Q

urine chloride >20 in a patietn with metabolic alkalosis, means AKA ____

A

saline un-responsive alkalosis

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12
Q

type I DM is associated with these abs _____ and _____

A

anti islet cell
anti glutamic acid decarboxylase

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13
Q

glucocorticoid does ____ in thyroid storm

A

decrease conversion of T4->T3

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14
Q

triggers of thyroid storm

A

trauma ie surgery
infection
acute iodine load

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15
Q

Beta Blocker does ____ in thyroid storm

A

decrease adrenergic manifestation

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16
Q

in hypercalcemia, ELEVATED
1: 25hydroxyvitamin-D indicates ___
2: 1,25diHydroxyvit-D indicates ___

A

1: Vit D toxicity

2: granulomatous dz ie sarcoid/lymphoma

17
Q

thyroid, cold nodule >___ has indication of FNA

18
Q

characteristics seen on u/s of high risk thyroid nodule

A

HYPOechoic
increased vascularity
microcalcifications
irregular or indistinct margins

19
Q

_____ involves pre-formed thyroid hormone release

whereas _____ involves excess thyroid hormone formation

A

painless thyroidistis

Grave’s

20
Q

in Klienfelter’s, testes are ___, malignancy risk of ___ happens, genotype is ___

A

firm and small
Breast cancer
XXY

21
Q

in a Male patient taking anabolic steroid abusing, levels of
FSH ___
LH ___
Testosterone ____
Hg ___
Cholesterol ___
Prostate at risk of ____
clinical signs: ____

A

Low
Low
Low
High
Low HDL, high LDL
cancer or BPH
testicular atrophy, gynecomastia,acne

22
Q

in pituitary incidentaloma, ___ size requires f/u in 12mo with another MRI

whereas ____ size requires surgery (after hormone testing for overproduction)

A

5-9mm

> 10mm

23
Q

overnigh dexameth suppression test is negative if ___

A

cortisol <2 after 1mg dexam given at 11PM night before