important endocrine Flashcards

(42 cards)

1
Q

what syndromes cause gynaecomastia

A

ones with androgen deficiency

  • Kallman’s
  • Klinefelter’s
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2
Q

TSH and T4 for thyrotoxicosis

A

TSH low

T4 high

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3
Q

TSH and T4 for primary hypothyroidism

A

TSH high

T4 low

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4
Q

TSH and T4 for secondary hypothyroidism

A

TSH low

T4 low

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5
Q

TSH and T4 for sick euthyroid

A

TSH low/normal

T4 low

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6
Q

TSH and T4 for subclincal hypothyroidism

A

TSH high

T4 normal

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7
Q

TSH and T4 for poor compliance with thyroxine

A

TSH high

T4 normal

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8
Q

PTH, calcium, phosphate and urine calcium:creatinine ratio for primary hyperparathyroidism

A

PTH elevated
calcium elevated
phosphate low
calcium:creatinine ratio >0.01

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9
Q

PTH, calcium, phosphate and vit D for secondary hyperparathyroidiam

A

PTH elevated
calcium low or normal
phosphate elevated
vit D low

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10
Q

calcium PTH phosphate and vit D for tertiary hyperparathyroidism

A
calcium normal or high
PTH elevated 
Phosphate decreased or normal
vit D normal or decreased 
ALP is also elevated
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11
Q

example of sulfonylureas

A
  • gliclazide

- glimepiride

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12
Q

example of thiazolinediones

A

pioglitazone

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13
Q

mechanism of action of thiazolidinediones

A

PPAR-gamma receptor one

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14
Q

example of DPP-4 inhibitor

A

-gliptins

dPP-4
gliPtins

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15
Q

what do DPP4-inhibitors do

A

increase incretin levels

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16
Q

what do SGLT-2 inhibitors do

A

inhibit reabsorption of glucose in the kidney

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17
Q

example of SGLT-2 inhibitor

18
Q

example of GLP-1 agonists

19
Q

GLP-1 agonists mechanism of action

A

incretin mimetic which inhibits glucagon secretion

20
Q

how are GLP-1 agonists administered

21
Q

which diabetes drugs cause weight loss

A

SGLT-2 inhibitors
GLP-1 agonists

two G ones

22
Q

causes of raised prolactin

A
  • pregnancy
  • prolactinoma
  • physiological
  • PCOS
  • primary hypothyroidism
  • phenothiazines, metoclopramide, domperidone

the p’s

23
Q

blood results for primary hyperaldosteronism (conn’s)

A
  • high aldosterone
  • low renin
  • high blood pressure
  • high sodium
  • raised bicarbonate
24
Q

blood results for secondary hyperaldosteronism

A
  • high aldosterone
  • high renin
  • low potassium
25
causes of secondary hyperaldosteronism
- renal artery stenosis - obstruction - heart failure
26
osmolalities for diabetes insipidus
- high plasma osmolality | - low urine osmolality
27
in a low dose dexamethasone test, what does it mean if cortisol is not suppressed
cushings syndrome
28
in a high dose dexamethasone test, what does it mean if cortisol isn't suppressed and ACTH is
cushings syndrome due to other causes | -adrenal adenomas
29
in a high dose dexamethasone test what does it mean if cortisol and ACTH are suppressed
cushings disease | -pituitary adenoma
30
in a high dose dexamethasone test what does it mean if both cortisol and ACTH are not suppressed
ectopic ACTH syndrome
31
what electrolyte abnormality in cushings
hypokalaemic metabolic alkalosis
32
what is the most important blood test to asses response to treatment in hypothyroidism
TSH
33
what should happen to someones regular insulin while being treated for a diabetic ketoacidosis
continue long-acting insulin and stop short acting
34
why is pioglitazone contraindicated in patients with heart failure
it can cause fluid retention
35
which thyroid cancer produces calcitonin
medullary
36
if urine osmolality after fluid deprivation is low but after desmopressin its high, what is the diagnosis
cranial diabetes insipidus
37
if there is clubbing with hyperthyroidism, what does this indicate
graves
38
what drug do you have to give with beta blockers before surgery to remove a phaechomocytoma
phenoxybenzamine
39
which type of diabetes drugs could cause recurrent thrush
SGLT2 inhibitors
40
does de quervains thyroiditis cause an increase or decrease in uptake of iodine
increase
41
what is the fist line insulin regime for newly diagnosed adults with type 1 diabetes
a basal-bolus using twice day insulin detemir
42
in acromegaly, if the patient is found to have raised IGF-1 what is the next step in investigation
oral glucose tolerance test with serial growth hormone measures