Thryoid Flashcards
what eye problems can occur with graves disease?
Exophthalmos Ophthalmoplegia: esp. up-gaze palsy Eye discomfort and grittiness Photophobia and ↓ acuity Chemosis
what skin problem can occur with graves disease?
pre-tibial myxoedema
what is thyroid acropachy?
presents with digital clubbing, swelling of digits and toes, and periosteal reaction of extremity bones
what disease can thyroid acropachy occur/
graves disease
what antibodies are present with thyrotoxicosis?
TSH receptor, TPO
state three conditions graves is associated with?
T1DM
Vitiligo
addisons
what scan can be done for thyrotoxicosis?
isotope scan
what can trigger graves disease?
stress infection child birth
what is plummers disease?
toxic multinodular goitre
what does the iodine scan show for plummers disease?
hot nodules
does toxic adenoma have hot or cold nodules?
hot nodules
what drugs can cause thyrotoxicosis ?
thyroxine
amiodarone
what medication can be given for thyrotoxicosis?
beta blockers
carbimazole
what is the action of carbimazole?
inhibits TPO
what is a SE of carbimazole?
agranulocytosis
what is a CI of radio iodine ?
pregnancy, lactation
what are three complications of thyroidectomy?
recurrent laryngeal nerve damage
hypoparathyroidism
hypothyroidism
what are features of a thyroid storm?
↑ temp Agitation, confusion, coma Tachycardia, AF Acute abdomen Heart failure
what is the medication treatment for thyroid storm?
- Propranolol PO/IV
- Digoxin may be needed
- Carbimazole then Lugol’s Iodine 4h later to inhibit thyroid
- Hydrocortisone
what is myxoedema?
SC tissue swelling in severe hypothyroidism
Typically around eyes and dorsum of hand
does myxoedema occur in hypo/hyperthroidism?
hypothyroidism
what is the commonest cause of hypothyroidism in the UK?
atrophic thyroiditis
what is the commonest cause of hypothyroidism in the world?
iodine deficiency
what medication can cause hypothyroidism?
carbimazole
amiodarone
lithium
state some causes of hypothryoidism ?
Atrophic thyroiditis (commonest UK)
Hashimoto’s thyroiditis
Subacute thyroiditis (e.g. post-partum)
Post De Quervain’s thyroiditis
Iodine deficiency (commonest worldwide)
Drugs: carbimazole, amiodarone, lithium
Congenital: thyroid agenesis
Post-surgical
Thyroidectomy
Radioiodine
what antibodies are present in atrophic thyroiditis?
anti-TPO, anti-TSH
what three conditions is atrophic thyroiditis associated with?
Pernicious anaemia
Vitiligo
Endocrinopathies
what antibody is + for hashimotos thyroiditis?
TPO +ve