Endo Flashcards

1
Q

What test can be done for primary adrenal insufficiency / to diagnose Addison’s?

A
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2
Q

What levels of aldosterone do you see in primary, secondary and tertiary adrenal insufficiency?

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3
Q

What hormones are low in secondary and tertiary adrenal insufficiency?

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4
Q

Give two drugs that can be given for adrenal insufficiency.

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5
Q

What are the symptoms of an Addisonian crisis?

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6
Q

What hormones are released by the posterior pituitary?

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7
Q

Most common site for carcinoid tumours to metastasise?

A

Liver

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8
Q

Where do carcinoid tumours mostly affect?

A

GI tract
(Carcinoid tumour = neuroendocrine tumour = cancer of nerves/glandular cells)

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9
Q

Key side effect of spironolactone?

A

Gynacomastia
(Use eplerenone if happens)

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10
Q

Difference between primary and secondary hyperaldosteronism

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11
Q

Three symptoms of hypokalaemia?

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12
Q

What levels of calcium do you see in primary, secondary and tertiary hyperparathyroidism?

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13
Q

What are the causes of primary, secondary and tertiary hyperparathyroidism?

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14
Q

What does PTH act on to do what?

A
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15
Q

In which two ways does the kidney maintain calcium levels?

A
  • Vitamin D activation acts to increase calcium levels –> CKD = hypocalcaemia
  • PTH stimulates kidneys to reabsorb calcium –> CKD = hypocalcaemia
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16
Q

Give three side effects of metformin.

A
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17
Q

Give two examples of sulphonylureas and two side effects.

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18
Q

Give two side effects of pioglitazone

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19
Q

Give two examples of DPP-4 inhibitors and a side effect.

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20
Q

Give four symptoms of low ACTH

A
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21
Q

Give two examples of DPP-4 inhibitors and a side effect.

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22
Q

Give two examples of SGLT-2 inhibitors and two potential side effects.

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23
Q

Give the diagnostic criteria for TIIDM.

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24
Q

How much glucose is given in OGTT?

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25
Q

Two investigations for acromegaly?

A

1st line = Serum IGF-1
2nd line = OGTT
3rd line = Pituitary function test
4th line = MRI

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26
Q

What syndrome is acromegaly associated with and which nerve roots are associated with it?

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27
Q

Give three classes of drug that can be used to treat acromegaly?

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28
Q

Give an example of a somatostatin analogue.

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29
Q

Give an example of a GH antagonist.

A
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30
Q

Give an example of a dopamine agonist.

A
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31
Q

What’s the mnemonic for remembering the symptoms of Addison’s?

A
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32
Q

Investigations for hyperaldosteronism? Which is first line?

A
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33
Q

How would you test for Cushing’s syndrome?

A
34
Q

How would you test for Cushing’s disease and what result would you look for?

A
35
Q

How would you test for adrenal Cushing’s and what result would you look for?

A
36
Q

How would you test for ectopic ACTH Cushing’s and what result would you look for?

A
37
Q

Give an example of an alpha blocker that could be used to manage pheochromocytoma?

A
38
Q

Give an example of a mineralocorticoid.

A
39
Q

Give an example of a glucocorticoid.

A
40
Q

Which layer of the adrenal cortex are androgens produced?

A
41
Q

Where in the adrenal glands is adrenaline produced?

A
42
Q

What are the layers of the adrenal cortex and what’s produced in each layer?

A
43
Q

Give two diagnostic tests for pheochromocytoma. Which one is gold standard?

A
44
Q

First, second and third line treatment for DKA?

A
45
Q

Diagnostic criteria for DKA?

A
46
Q

What anion gap is seen in DKA?

A
47
Q

What electrolyte do you need to closely monitor in DKA?

A
48
Q

What should you think of if you see low sodium and high glucose in DKA?

A
49
Q

What serum osmolality would confirm pseudohyponatraemia in DKA?

A
50
Q

What’s the medical term for heavy menstrual bleeding and is it associated with hyper or hypothyroidism?

A
51
Q

Difference between endocrine and exocrine glands?

A
  • Endocrine: hormones/substances secreted directly into bloodstream
  • Exocrine: hormones/substances secreted into a ductal system usually leading to an epithelial surface
52
Q

Other than Addison’s, give three causes of primary adrenal insufficiency.

A
53
Q

Other than long term steroid use, give three causes of secondary adrenal insufficiency.

A
54
Q

How does hyperglycaemia lead to increased insulin production on a cellular level?

A
  • Increased glucose uptake by beta cells
    (GLUT2 receptors)
  • Increased ATP production due to glucose metabolism
  • K+ channels shut due to increasing ATP, causing cell membrane depolarisation
  • Ca2+ channels open, influx
  • Exocytosis of insulin containing vesicles
55
Q

Give two microvascular and two microvascular complications of TIIDM.

A

Micro - retinopathy, nephropathy, neuropathy
Macro - cardiovascular disease, cerebral vascular disease, PAD

56
Q

What three antibodies are found in Grave’s disease?

A
57
Q

Three most common types of thyroid cancer?

A
58
Q

Give five causes of hypothyroidism.

A
59
Q

What antibodies are found in Hashimoto’s thyroiditis?

A
60
Q

What do C-cells in the thyroid secrete?

A
61
Q

What’s a key red flag side effect of carbimazole?

A
  • Sign of infection, commonly sore throat
    (Carbimazole suppresses bone marrow production so may lower WBC count)
62
Q

Give four treatments of Grave’s

A
63
Q

What can be given to treat hypothyroidism?

A

Synthetic levothyroxine / T4

64
Q

What’s the most common antibody type in autoimmune diseases?

A

IgG

65
Q

Apart from bones, stones, moans, groans what are three other symptoms of hypercalcaemia?

A
  • polydipsia
  • polyuria
  • malaise
66
Q

What test can be done for carcinoid syndrome?

A
67
Q

What’s the gold standard for diagnosis of carcinoid syndrome?

A
  • Serum chromogranin-A + octreoscan
68
Q

Is pre-tibial myxoedema pitting or non-pitting?

A

Non-pitting

69
Q

Normal serum potassium range?

A
70
Q

What epithelium lines the vas deferens?

A

pseudostratified columnar epithelium with stereocilia

71
Q

Give two causes of hypercalcaemia other than MM and hyperparathyroidism.

A
72
Q

Pre-diabetic HBA1c range?

A

42-47

73
Q

Most common cause of iodine deficiency in developing vs developed countries?

A

Developed - Hashimoto’s
Developing - Iodine deficiency

74
Q

Main electrolyte imbalance caused by SIADH?

A

Hyponatraemia

75
Q

Drug used to treat hyperthyroidism and its MOA?

A
  • Carbimazole
  • Inhibits TPO
76
Q

Two signs present in hypocalcaemia?

A
  • Chovstek’s sign (tap facial nerve)
  • Trousseau’s sign (blood pressure cuff <20mmHg above systolic, 5 minutes, claw hand forms)
77
Q

Gold standard for diagnosis of carcinoid syndrome?

A

Serum chromogranin A + octreoscan

78
Q

Micro and macrovascular complications of TIIDM?

A

Micro - retinopathy, neuropathy, nephropathy
Macro - CVD, CVD, PAD
(2nd CVD stands for cerebral vascular disease)

79
Q

First line investigation for hyperaldosteronism?

A
80
Q

Difference between a direct and indirect Comb’s test?

A
  • Direct comb’s test detects antibodies stuck to the surface of RBCs (autoimmune haemolytic anaemia)
  • Indirect comb’s test tests for antibodies against foreign RBCs. Used before blood transfusions.