Flashcards in Hypo/hyperthyroidism Deck (58)
Give 2 secondary causes of hypo/hyperthyroidism?
What would you want to measure if you thought a patient has hyperthyroidism?
thyroid function tests
also do ECG in case of AF
What is pretibial myoxoedema? When is it seen?
accumulation of mucopolysaccharides in ground substance of dermis on skin of shins
What is thyrotoxicosis?
When does myoexedema occur?
Either refers to severe hypothyroidism eg myoexedema coma
OR pretibial myoxoedema in Grave's disease - on skin
In areas of high iodine intake, is hypo or hyper more common?
What are the goitrous causes of primary hypothyroidism?
Chronic thyroiditis (Hashimotos)
What are the non goitrous causes of hypothyroidism?
Most common cause of thyroiditis?
In Hashimotos, what is seen in blood?
thyroid peroxidase antibodies
In Hashimotos, what is seen on microscopy?
T cell infiltrate and inflammation
What type of hair can be seen in hypothyroidism?
What are other signs of hypothyroidism?
dull expressionless face
pale cool skin, doughy to touch
fluid retention, pitting oedemia
Can vitiligo be associated with hypo or hyper?
What happens to heart rate in hypo?
What happens to lipids in hypo?
What respiratory signs may occur with hypo
deep hoarse voice, macroglossia, obstructive sleep apnoea
What GI symptoms may occur with hypo?
What is carpal tunnel more likely in, hypothyroid or hyperthyroid?
What can hypothyroidism do to periods?
What does hypothyroid do to prolactin?
What happens to thyroid hormones in hypothyroid?
What happens to sodium in hypothyroidism?
Once stabilized, how often should TSH be checked?
every 12-18 months
What is the main treatment of hypothy.
Is there any benefit of combined T4 and T3 therapy?
When is T4 preferabnly taken?
Is T3 therapy used much in hypo?
Who does myxoedema coma tend to affect?
elderly women with longstanding but untreated hypothyroidism