hyper/hypo thyroidism Flashcards

1
Q

TSH low

T3/4high

A

hyperthyroidism

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2
Q

TSH high

T3/4

A

hypothyroidism

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3
Q

TSH low

T3/4 low

A

pituitary gland failure

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4
Q

TSH high

T3/4 high

A

TSH oma

very rare!!!

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5
Q

TSH high, low T4

low or normal T3

A

primary overt hypo

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6
Q

high TSH norm T4 norm T3

A

primary subclinical hypo

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7
Q

low or normal TSH
low T4
low or normal T3

A

secondary hypo

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8
Q

what causes goitrous hypothyroidism?

A

chronic thyroiditis (hashimotos)

iodine deficiency

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9
Q

what causes non goitrous hypothyroidism?

A

congenital development defect
atrophic thyroiditis
post ablative
post radiation

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10
Q

characterised by thyroid peroxidase antibodies and T cell infiltrate and inflammation

A

Hashimotos

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11
Q

signs and symptoms of hypothyroidism?

A
coarse sparse hair
dull expressionless face
pale, dull skin that feels doughy
vitilgo
cold intolerance
pitting oedema
reduced heart  rate
decreased appetite
weight gain
constipation
deep hoarse voice
ascites
obstructive sleep apnoea
depression
slow relfexes
muscle stiffness/ cramps
carpal tunnel syndrome
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12
Q

increased LDL

increased creatinine kinase

A

hypothyroidism

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13
Q

management of hypothyroidism

A

thyroxine (best before breakfast)

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14
Q

what does amiodarone induce?

A

hypothyroidism and thyrotoxicosis

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15
Q

hyperthyroidism signs and symptoms?

A
palpitations/AF
tremor
sweating
anxiety
sleep disturbance
diarrhoea
lid retraction
eyes bulge out
rapid finger nail growth
brittle thinning hair
less periods /lighter bleeding
muscle weakness
weight loss
increased appetite
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16
Q

causes of hyperthyroidism

A

graves
nodular thyroid
thyroiditis

iodine
medication-lithium, amiodarone

17
Q

TSH low in early stage , high in late, then normal

T4 high in early stage , low in late, then normal

A

de quervains

18
Q

treatment for hyperthyroidism

A

carbimazole
beta blockers
radio iodine

surgical