Endo - Week 1 - Diabetes Flashcards
what is diabetes mellitus
a metabolic disorder characterized by chronic hyperglycaemia due to defects in insulin secretion and/or insulin action
what is the aim of management for diabetes
normal glycaemia
good quality of life and normal life expectancy
what is type 1 DM
absolute insulin deficiency 2° to T-cell mediated autoimmune destruction of the insulin-producing ß-cells.
what is a normal fasting glucose
below or equal to 6
what tests do you do to see if type 1 DM is due to autoimmune antibodies
GAD65, IA-2, ZnT8
and ICA - islet cell antibodies
what are the 3 stages of T1DM
variable risk- genetics, environment
pre-symptomatic
symptomatic
what are the 2 main types of complications of T1DM
microvascular - retinopathy, neuropathy, nephropathy
macrovascular - stroke, MI, leg ulcers, HTN
what is the half-life of insulin in circulation
6mins
how do we measure the amount of insulin produced by the pancreas
c-peptide levels
what is basal insulin
human
long acting - take every day
immediate acting - take BD
what is prandial insulin
Analogues
rapid acting - duration 4-5hrs
short acting - up to 6hrs
what are some adverse effects of insulin
hypoglycaemia
lumps at injection site
weight gain
insulin allergy
oedema