hyper/hypo thyroidism Flashcards Preview

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Flashcards in hyper/hypo thyroidism Deck (18):
1

TSH low

T3/4high

hyperthyroidism

2

TSH high
T3/4

hypothyroidism

3

TSH low
T3/4 low

pituitary gland failure

4

TSH high
T3/4 high

TSH oma

very rare!!!

5

TSH high, low T4
low or normal T3

primary overt hypo

6

high TSH norm T4 norm T3

primary subclinical hypo

7

low or normal TSH
low T4
low or normal T3

secondary hypo

8

what causes goitrous hypothyroidism?

chronic thyroiditis (hashimotos)

iodine deficiency

9

what causes non goitrous hypothyroidism?

congenital development defect
atrophic thyroiditis
post ablative
post radiation

10

characterised by thyroid peroxidase antibodies and T cell infiltrate and inflammation

Hashimotos

11

signs and symptoms of hypothyroidism?

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

12

increased LDL
increased creatinine kinase

hypothyroidism

13

management of hypothyroidism

thyroxine (best before breakfast)

14

what does amiodarone induce?

hypothyroidism and thyrotoxicosis

15

hyperthyroidism signs and symptoms?

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

16

causes of hyperthyroidism

graves
nodular thyroid
thyroiditis

iodine
medication-lithium, amiodarone

17

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

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

de quervains

18

treatment for hyperthyroidism

carbimazole
beta blockers
radio iodine

surgical