Endocrine - Thyroid/ Steroids Flashcards
Hyperthyroidism Biomarkers
High T3 & T4
Low TSH
Hyperthyroidism symptoms
Hyperactivity
Insomnia
Diarrhoea
Weight loss
Increased appetite
Goitre
HIDWIG
Hyperthyroidism Treatment 1st line?
Carbimazole
Hyperthyroidism treatment 2nd line?
Propylthiourouracil
Propylthiouraricil side effect?
Risk of Liver disorder or Jaundice
Graves’ disease is hypo or hyper thyroidism?
Hyperthyroidism
Graves’ disease treatment 1st line?
Radioactive iodine
Graves’ disease remission treatment?
Consider carbimazole
If iodine or surgery not tolerated in Graves disease then?
Carbimazole and levothyroxine (block and replace ) combo or alone
12-18 months
Which drug to use in Hyperthyroidism in pregnancy 1st trimester?
Propylthiouracil
Which drug to use in Hyperthyroidism in pregnancy 2nd and 3rd trimester?
Carbimazole
Why can’t propylthioracil be used in 2nd or 3rd trimester?
Due to propylthiouracil being hepatotoxic in 2nd and 3rd trimester
Hypothyroidism biomarkers?
Low T3 and T4
High TSH
Hypothyroidism symptoms?
Fatigue
Weight gain
Cold intolerance
Constipation
Menstrual irregularities
Depression
Dry skin
Hyperthyroidism metabolism?
Increased metabolism
Hypothyroidism metabolism?
Decreased metabolism
Hypothyroidism 1st line treatment?
Levothyroxine
Monitoring in levothyroxine and how frequent?
Monitor TSH, 3months until stable then yearly
Levothyroxine counselling?
Take in the morning, 30mins before breakfast or caffeine
Benefit of Liothyroxine rather than levothyroxine?
More potent, more rapid output
Which is more potent, levothyroxine or liothyroxine?
Liothyroxine
Liothyroxine brand importance?
Non uk brand may not be bio equivalent
Mineralcorticosteroid fluid retention and inflammatory effect?
High fluid retention and low inflammatory effect
Highest mineralcorticosteroid activity drug?
Fludrocortisone
Hc also has high activity