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Kaplan Qbank USMLE



Author10 Posts
  #1

1) Why is there pretibial mexysemia in hyperthyroidism, whereas periorbiral or peripheral edema in hypothyroidsm?

2) Why is there hypertention in hypothryoidsm?

3) What are the MCC of

a. Hyperthyroidism
b. Hypothyroidism
c. Cushing's syndrom
d. Hypoadrenalism

4) What is the difference between pseudohypoparathyroidism with pseudopseudohypoparathyroidism?

  #2

I am not sure about first 3q, but as for 4th
"pseudohypoparathyroidism is an autosomal recessive disorder, characterized by renal end-organ unresponsivness of the kidney to PTH and by shortened fourth and fifth metacarpals adn metatarsals, short stature and other sceletal abnormalities.
similar skeletal abnormalities without paratyroid hormone dysfunction caracterize a rare entity termed pseudopseudohypoparatyroidism..."
I hope it is good enough smiling face

___________________
BeeFoxy

  #3

I am not sure about first 3q, but as for 4th
"pseudohypoparathyroidism is an autosomal recessive disorder, characterized by renal end-organ unresponsivness of the kidney to PTH and by shortened fourth and fifth metacarpals adn metatarsals, short stature and other sceletal abnormalities.
similar skeletal abnormalities without paratyroid hormone dysfunction caracterize a rare entity termed pseudopseudohypoparatyroidism..."
I hope it is good enough smiling face

___________________
BeeFoxy

  #4

why it almost always doubles my message??? :?

___________________
BeeFoxy

  #5

"tess" wrote:
1) Why is there pretibial mexysemia in hyperthyroidism, whereas periorbiral or peripheral edema in hypothyroidsm?

:idea: Something with proteoglycans pretibially. The edema in hypothyroidism I don't know.

2) Why is there hypertention in hypothryoidsm?

:!: I didn't even know there was hypertension :cry:
3) What are the MCC of

a. Hyperthyroidism :arrow: Transiently: De Quervain's thyroiditis. Long-term: toxic lumlinodular goiter
b. Hypothyroidism :arrow: Iatrogenic, although iodine def. in some areas
c. Cushing's syndrom :arrow: Iagtrogenic
d. Hypoadrenalism :arrow: Infarctions?

4) What is the difference between pseudohypoparathyroidism with pseudopseudohypoparathyroidism? :arrow: What he said


___________________
Gotta have heart.

  #6

For question 1, 2, 4, I don't know much more than you, beefoxy and bellkicker.

For MCC of the diseases,

a. hyperthyoidism: Graves
b. hypothyoidism: Hashimoto, iatrogenic cause is the second most.
c. Chushings: yes, iatrogenic
d. hypoadrenalism: also iatrogenic, like long-term use of steroids inhibit the adrenal function, attn this pt's condition after surgery and other stress!!!

Thanks.

  #7

Hey Tess,

I think MCC of hypothyrodism is iatrogenic ,hashimto's comes second .Isn't it ?

:idea: In a case of hypoadrenalism , we have to give preoperatively exogenous steroids to the pt ,so that pt will not succumb to death following any surgery.

  #8

Asmi, that's what "step 2 secret" says. it might be wrong. I have found some mistakes there, I feel your point is quite reasonable. Thanks.

  #9

I'm still convinced that it's iodine deficiency if we're looking at the world's population.

___________________
Gotta have heart.

  #10

i think it is hashimoto's thyroiditis

in firstaid step2 it is given as the most common cause

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hi how r u







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