Endocrinology Flashcards
What is the endocrine system mediated by
Hormones
What kind of feedback is the endocrine system controlled by
Negative feedback
What are three basic problems with the endocrine system
Excess hormone
Reduced hormone
Physical gland enlargement
What does excess thyroxine lead to
Hyperthyroidism
What does a lack of thyroxine lead to
Hypothyroidism
What is the name given to a thyroid mass
Goitre
Does hyperthyroidism affect males or females more
females - 2-3 % of population
What is the age range for the onset of hyperthyroidism
20-40 years
What autoimmune disease results in hyperthyroidism
Graves disease
What are some symptoms on hyperthyroidism
Sweating, heat intolerance
Irritability, poor sleep, anxiety, palpitations
Excess appetite, weight loss, diarrhoee
Breathlessness
What are the signs of hyperthyroidism
Warm moist skin Tachycardia / irregular heart rate Increased BP / heart failure Fine tremor Goitre
What is exophthalmos
Protrusion on the eye balls
What is ophthalmopelgia
Paralysis of the muscles around the eye
What are exophthalmos and ophthalmoplegia signs of
Graves disease
How is hyperthyroidism diagnosed
Blood tests
Radiology sometimes
What are blood tests looking for when they are testing for hyperthyroidism
Low TSH
High T3 and T4
Auto antibodies
How is hyperthyroidism managed
Drugs - anti thyroid drugs or beta blockers
Surgery
What is the average age of diagnosis for hypothyroidism
60