Endocrine Flashcards
What is acromegaly?
3 signs?
Why might they keep walking into stuff?
Ant pit tumour secreting GH
Spade like hands, frontal bossing, macroglossia, headache, sweats, deepening voice, carpal tunnel, HTN
Bitemporal hemianopia
2 key Ix for acromegaly
pit MRI
Serum IGF-1
what finding on OGTT in acromegaly
Normal person - Growth hormone secretion suppressed by increase glucose
Does NOT happen in acromegaly - Still high GH
Seen on FBC in hypoThy
macrocytic anaemia
2 Drug Mx of hyperthyroid
carbimazole
propythiouracil
2 specific signs for graves
exophthalmos
pretibial myxoedema
thyroid acropatchy
difference between nephrogenic/cranial Diabetes Insipidus
Cranial - lack of ADH secretion
[Mx-Desmopressin]
Nephrogenic - lack of response to ADH
How does water deprivation test diagnose DI
lack of water
The body should concentrate urine and decrease output
in DI - still large volumes with low osmolality
Advice pose hypo in diabetic
regular finger prick monitoring
never miss meals
keep emergency glucose in pocket
2 causes of hypo in non diabetic
liver failure
addisons
insulin secreting tumour
alcohol binge
2 macrovascular comps of diabetes?
mico?
CV disease / stroke
MI
IHD
Peripheral vascular disease
Nephropathy, retinopathy, neuropathy
Teen with high blood glucose
suspected DKA - what test for Dx
urine dipstick - ketonuria
Key tests for addisons ?>
Electrolytes in crisis?
U+E, Synacthen test
HypoGly
HyperK
HypoNa -> Hypotensive
Advice to person with addisons
Medical alert bracelet
carry emergency ampule of hydrocortison
need to change dose if sick
3 Mx options for Prolactinoma
transphenoidal surgery
bromocriptine [D agonist]
radiotherapy