Diabetes

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  • Created by: sagalets
  • Created on: 15-05-17 00:02
How many amino acid chains are in the insulin and how are they linked?
A and B chains, linked with 2 disulfide bridges and a third bridge is self-linked on the A chain
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Why is it important rotate insulin injection sites?
Injecting insulin creates lipomas at the sites - fat deposits in the s/c tissue
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What excipients are necessary for stabilisation of hexameric form?
Zinc and a phenolic compound
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Describe the symptoms of mild hypoglycaemia
tremor, malaise, fatigue, palpitations, sweating, confusion, headache, hunger, pallor
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What is the treatment for severe hypoglycaemia for an unconscious person?
20g glucose: glucagon IM or s/c, or dextrose IV
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What is the name for hyperglycaemic emergency state In type 2 diabetics?
HHS (Hyperosmolar Hyperglycaemic Syndrome) a state of extreme hyperflycaemia, developing over weeks, potentially life threatening, with blood glucose >33mmol/L and Osmolaroty >320mOsm/kg
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What are the possible long-term complications of diabetes?
Microvascular (retinopathy, nephropathy, neuropathy) and Macrovascular (CVD disease, cerebrovascular risk, peripheral arterial diasease)
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What types of insulin regimens are available?
Basal-bolus, twice daily injections (not recommended any more), OD long-acting insulin
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What is DKA (diabetic ketoacidosis) and what are its symptoms?
A state of hyperglycaemia in type 1 diabetes, when there is no available insulin to facilitate the uptake of glucose, and fatty acids are used for energy instead and are metabolised to ketones (giving a chatacteristing pear drop smell)
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What are the main Sick Day Rules?
Do not stop taking insulin; check blood glucose more frequently; monitor urine ketones; prevent dehydration; keep normal eating pattern
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What are the examples of biguanides and what is the mechanism of their action?
Metformin. It activates AMP kinase invloved in the signalling pathway which suppresses gluconeogeneis. It also increases insulin sensitivity.
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What is an example of a sulphonylurea and what is the mechanism of action?
SUs block K+ channels causing depolarization and opening of Ca2+ channels for the release of inlusin form the cell. Gliptizide, Tolbutamide, Gliclazide.
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Other cards in this set

Card 2

Front

Why is it important rotate insulin injection sites?

Back

Injecting insulin creates lipomas at the sites - fat deposits in the s/c tissue

Card 3

Front

What excipients are necessary for stabilisation of hexameric form?

Back

Preview of the front of card 3

Card 4

Front

Describe the symptoms of mild hypoglycaemia

Back

Preview of the front of card 4

Card 5

Front

What is the treatment for severe hypoglycaemia for an unconscious person?

Back

Preview of the front of card 5
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