Diabetes Flashcards

1
Q

What is type 1 diabetes

A

o insulin deficient caused by the loss/destruction of beta cells of the pancreas.
o Destruction of insulin secreting islet cells is related to genetic susceptibility, environmental factors and autoimmunity (autoimmune T-cell mediated disease).

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2
Q

symptoms oftype 1 diabetes

A

o Polyuria: increased urine production
o Polyphagia: increased hunger
o Polydipsia: increased thirst
o Fatigue

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3
Q

Type 1 diagnosis

A

o CT scan of pancreas
o vision test to look for cataracts
o renal functions.

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4
Q

Normal blood glucose levels

A
  • normal = 4-7mmol
  • fasting = 4.0–5.4 mmol/L
    o HbA1 = under 40mmol/L
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5
Q

Type 1 diabtes treatment

A

o maintain BGL
o regular testing
o insulin therapy
o diet/exercise
o fluids/electrolytes.

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6
Q

What is type 2 diabetes

A

o results from body not creating enough insulin to keep BGL within normal range (Insulin resistant)

o Pancreas produces insulin, target cells no longer respond normally.

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7
Q

Risks of developing type 2 diabetes

A

o obesity
o pancreatitis
o cancer
o increasing age
o infection

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8
Q

treatment for type 2 diabetes

A

o dietary changes
o weight loss
o exercise
o oral medications for control (Gliclazide – stimulate secretion of insulin by pancreas. Metformin – reduces high cholesterol, decreases liver glucogenesis).

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9
Q

What is hypoglycemia

A

Low blood sugar due to excessive insulin taken, too much exercise for insulin dose or inadequate food/insulin dose.

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10
Q

symptoms of type 2 diabetes

A

o tachycardia
o palpations
o Tremor
o Headache
o fatigue

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11
Q

What is diabetic ketaoacidosis

A

o bood suger is too high
o Prevents glucose from getting to cells to be used as fuel.
o When ketones are produced too quickly and build up in the blood and urine, they can be toxic, making the blood too acidic (metabolic acidosis).

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12
Q

symptoms of diabetic ketoacidosis

A
  • hyperglycemia
  • dehydration
  • acid/fruity breath
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13
Q

treatment for type 2 diabetes

A

Fluid resuscitation, insulin therapy (until BGL is safe), electrolyte replacement.

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14
Q

Example of Ultra-short acting insuline name and onset/peak time

A

o Onset of 15 minutes, peak 1 hour, duration 3 hours.
o (Humalog/novorapid)

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15
Q

Example of short acting insulin name and onset/peak time

A

o Onset 30 minutes, peak 2 hours, duration 8 hours
o (Actrapid, Humulin)

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16
Q

Example of intermediate acting insulin name and onset/peak time

A

o Onset 2 hours, peak 8 hours, duration 16 hours.
o (Humulin NPH, Protophane)

17
Q

Example of long acting insulin name and onset/peak time

A

o Onset 2 hours, peak none, duration 24 hours.
o (Lantus)

18
Q

Microvascular complications with diabetes

A

o Diabetic retinopathy – results from retinal ischemia due to capillary damage.
o Renal damage – glomeruli damaged, increased permeability, decreased flow/filtration rate.

19
Q

Macrovascular complications

A

o Hyperglycemia causes neuron damage due to increased glucose entering neurons = nerve degeneration = neuropathy.
o Peripheral neuropathy – damage to peripheral sensory nerves (hands, feet).
o Autonomic – damage to nerves involved in autonomic regulation (sweat).