Endocrinology

Question 1

29 year old woman
History of hypothyroidism
Weakness, particularly of her arms
Double vision towards the end of the day ( normal examination at the opticians )

Answer 1

Myasthenia gravis

Question 2

State the dosing of hydrocortisone and fludrocortisone in an Addison’s patient with intercurrent illness

Answer 2

Double the glucocorticoids, keep fludrocortisone dose the same.

Question 3

Patient with high BP and hypokalemia. Most appropriate investigation to request?

Answer 3

Renin-aldosterone ratio ( suspected primary hyperaldosteronism/ Conn’s syndrome )

• If medication needed, then use doxazosin before doing screening test.