Endo Flashcards
Zona glomerulosa
Aldosterone
Alpha islet cells of the pancreas
Glucagon
Hyperpigmentation of palmar creases
Addisons
Dexamethasone suppression test
Not suppressed at low but suppressed at high
Cushing’s disease
Dexamethasone suppression test
Not suppressed at either and high ACTH
Ectopic ACTH syndrome (e.g. adrenal tumour)
Dexamethasone suppression test
Not suppressed at either and low ACTH
Primary hypercortisolism
Phaeochromocytoma signs/symptoms
Headache Perspiration Palpitations Polyuria Hypertension
Ketones
T1DM
Metformin
Reduces insulin resistance peripherally and decreases hepatic glucose production
Enhances weight loss
Sulphonylurea
Increases insulin secretion
S/E: weight gain and hypoglycaemia
Carbimazole
Treat hyperthyroidism
S/E: agranulocytosis
Primary aldosteronism
Signs/symptoms
Elevated BP
Muscle cramps (hypocalacemia)
Muscle weakness (hypokalaemia)
Headaches
Zona fasciculate
Cortisol
Zona reticularis
Testosterone and oestrogen
Painless lymphadenopathy, Reed-Sternberg cells, good prognosis
Hodgkins