Endocrine - Diabetes and Complications Flashcards
what causes T1DM?
autoimmune destruction of the pancreatic islet cells
causes beta cell failure
absolute insulin deficiency results
what autoantibodies can those with T1DM have?
GAD
islet auto antigen 2 (IA-2)
symptoms of T1DM?
wt loss tired thirsty thrush blurred vision polyuria sweet smelling urine
Ix for T1DM? what level is needed for diagnosis?
HbA1c ≥48
fasting glucose ≥7
OGTT ≥11.1
random glucose ≥11.1
what treatment regime is used for T1DM? names of drugs?
basal bolus regime
long acting e.g lantus
rapid acting e.g humalog
what are the mealtime targets for T1DM? how many times should BM be checked?
pre meal 4-7
1-2hrs after <10
atleast 4 times a day
what should T1DM aim for with their HbA1c?
48
at a DM annual review, what is covered?
weight BP HbA1c U+Es, eGFR, A:C, lipids urinalysis insulin injections retinal + foot screening
features of a DKA?
thirst tired blurred vision polyuria vomiting kussmaul's respiration
Ix in DKA and results?
ketones >3 BM >11 bicarbonate <15/pH <7.3 (acid) high K, low Na high creatinine high lactate high amylase
Tx for a DKA?
500ml NaCl + KCl Insulin with 0.9% NaCl continue long acting subcut regime Glucose 10% once BM <14 LMWH
FIND CAUSE
what bloods should be monitored in DKA?
K
BM
blood ketones
features of a hypo?
sweating pale tremor palpitations nausea hungry confused
Tx for a hypo?
20-30g glucose IV/buccal/oral (depending on consciousness level)
what is charcot’s athropathy?
destructive inflammatory process of a foot with neuropathy
how is MODY inherited?
aut dom
what causes MODY?
gene defect causing impaired insulin secretion from pancreatic beta cells
risk factors for T2DM?
FHx CVD HT PCOS obesity inactivity GD
pathology behind T2DM?
progressive loss of beta cells
background of insulin resistance due to adiposity and lipotoxicity