Hyperthyroid Conditions Flashcards

1
Q

what is hyperthyroidism?

A

an overactive thyroid producing excess T3/4

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2
Q

what is thyrotoxicosis?

A

state where the tissues are exposed to excess T3/4

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3
Q

thyrotoxicosis causes

A

Grave’s
cancer
nodules
etc.

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4
Q

presentation of hyperthyroidism

A
palpitations, AF, tremor
anxiety, irritability, insomnia
frequent, loose bowel movements
lighter and less frequent bleeding
increased BMR, weight loss
heat intolerance and sweating
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5
Q

diagnostic techniques used in hyperthyroidism?

A

autoantibodies
TFTs
USS
scintigraphy

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6
Q

management of hyperthyroidism

A

carbimazole
propylthiouracil (only first line in 1st trimester)
beta blockers for symptoms
eye disease management

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7
Q

adverse of carbimazole and PTU

A

allergic reaction
liver problems
agranulocytosis

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8
Q

what MUST you warn the patient about before prescribing carbimazole or PTU?

A

stop drug if fever, oral ulcer or oropharyngeal infection

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9
Q

eye disease management options

A

topical lubricants

steroids

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10
Q

what is Grave’s disease?

A

AI disorder that causes primary hyperthyroidism

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11
Q

what age group is Grave’s disease common in?

A

women 20-50

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12
Q

presentation of Grave’s disease

A
hyperthyroidism with diffuse enlargement of the thyroid
eye disease
pretibial myxoedema
thyroid acropachy (clubbing)
smooth velvety skin
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13
Q

eye disease in Grave’s

A

exophthalmos
lid retraction
gritty eyes

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14
Q

what worsens eye disease in Graves?

A

smoking

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15
Q

appearance of pretibial myxoedema?

A

orange peel

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16
Q

diagnosis of Grave’s disease

A

low TSH and high T3/4
TRAb
hypercalcaemia and high ALK (high bone turnover and OP)

17
Q

what is TRAb

A

TSH receptor antibody that mimics TSH found in Grave’s

18
Q

what is thyroid storm (crisis)

A

emergency condition with respiratory and cardiac collapse

19
Q

who is thyroid storm/crisis seen in?

A

hyperthyroid patients with acute infection/illness

20
Q

management of thyroid storm/crisis

A
iodine
steroids
PTU
beta blockers
fluids
21
Q

another name for toxic multinodular disease?

A

Plummer’s disease

22
Q

what is toxic multinodular disease?

A

nodules develop on the thyroid gland that act independently, constantly producing T3/4

23
Q

presentation of toxic multinodular disease

A

goitre with firm nodules

most patients >50

24
Q

what is solitary toxic thyroid nodule?

A

single nodule is acting alone to release excess thyroid hormone

these are usually benign adenomas

25
Q

what is De Quervain’s thyroiditis?

A

hyperthyroidism triggered by a viral infection

26
Q

presentation of De Quervain’s thyroiditis

A

fever
neck pain
dysphagia
hyperthyroidism

27
Q

management of De Quervain’s thyroiditis

A

self-limiting
NSAIDs
beta blockers if necessary