Diabetes Flashcards
What are the types of diabetes insipidus?
Central
Peripheral resistance to ADH
Which type of diabetes is more concordant in monozygotic twins?
Type II
- Due to similar environment
What is LADA?
Latent autoimmune diabetes of adults
What are some non-lifestyle causes of T2DM?
Haemachromatosis
Cushing disease
Steroid use
Acromegaly
PCOS
Pregnancy
Drugs
- Anti-retrovirals, beta-blockers, thiazides
What is hypermolar hyperglycaemic state? What does it cause?
Complication of T2DM with hyperglycaemia
- Osmostic diuresis > dehydration
- Lens swelling
What are some presenting symptoms of diabetes?
Polyuria
Polydipsia
Blurred vision
Lethargy
Unexplained weight gain or loss
Symptoms of complications
DKA/HHS
What are the cut offs for fasting glucose and glucose tolerance test for diagnosis?
Fasting >7.1
GT >11.1
How many positive tests are required for the diagnosis of diabetes?
1 if symptomatic
2 if non-symptomatic
What is the eGFR cutoff for metformin?
<35
What is a severe side effect of metformin?
Lactic acidosis
What dose of metformin are used?
500-1000mg BD
What are the two signs of carpal tunnel?
Tinel’s - tapping
Phalen’s - reverse pray
What is a postural drop defined as?
> 20/10
What are the non-proliferative eye change found on fundoscopy?
Cotton wool spots
Microaneurysms
Microhaemorrhages
What are the proliferative changes found on fundoscopy?
Neovascularisation
Vitreous haemorrhage
Fibrovascular proliferation
What is the name of neovascularisation in the iris?
Rubeosis iridis
What are the Argyll-Robinson pupils? Where do you see it?
Pupils that constrict when accommodating but not in response to light
DM
Syphilus
What type of murmur might an AMI cause?
Regurgitation secondary to akinesis or ruptured papillary muscle
How long does lantus work for? When does it peak?
16-24 hours
It doesn’t have one
What are some smoking cessation drugs?
Varenicline (aka Champix)
Buproprion
What are the DPP4 inhibitors?
Gliptins
What is a GLP-1 analogue?
Exenatide
What is the name of a alpha-glucosidase inhibitor?
Acarbose
How do SGLT2 inhibitors work?
Inhibitor glucose absorption