Paediatric Endocrine Flashcards

1
Q

How is hyperglycaemia in a child managed?

A

Insulin
Dietician referral
Advice on hypoglycaemia
Advice of changing regime if sick

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2
Q

What insulin regimes can be offered to children?

A

Twice daily - long acting

Multiple - rapid acting - good if active lifestyle

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3
Q

How often should diabetic children be testing their BM?

A

At least 4x a day

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4
Q

How regularly should diabetic children have a review assessment?

A

Minimum once annually

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5
Q

What should be done in a diabetic review?

A
HbA1C
Lipid profile
Urinary albumin excretion
Renal and thyroid function
Eye examination
Examine injection sites
Blood pressure
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6
Q

What level of plasma glucose is considered to be hypoglycaemia?

A

<3mmol/L

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7
Q

What triad do you need to diagnose hypoglycaemia?

A

Whipples triad

Signs and symptoms
Low blood glucose level
Relief of symptoms with increasing blood glucose

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8
Q

What causes hypoglycaemia?

A
Increased insulin
Increased activity
Low sugar intake
Alcohol and paracetamol
Insulinoma
Insulin like growth factor secreting tumour (adrenal)
Starvation
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9
Q

How does hypoglycaemia present?

A
Lethargic
Shaking
Paraesthesia in lips
Hungry
Difficulty concentrating
Confusion and LOC
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10
Q

At what ages do ketotic hypo’s occur?

A

Between 18 months and 5 years

Generally self resolve by 9yo

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11
Q

What do you see in ketotic hypos?

A

Same symptoms +

N&V
Fainting
Seizures

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12
Q

How are ketotic hypos managed?

A

Advice of regular snacking

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13
Q

What investigations are done to assess hypoglycaemia?

A
Insulin radioimmunoassay
72 hour fasting
C peptide plasma conc 
Pro-insulin measurements
Pituitary and adrenal function
Blood and urine sulphonylureas
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14
Q

What would a raised c-peptide indicate?

A

Hypoglycaemia due to increased endogenous insulin

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15
Q

If c peptide is low/normal, what would this indicate?

A

Hypoglycaemia due to exogenous insulin

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16
Q

How is hypoglycaemia managed in an emergency?

A
Depend on conscious level:
Fruit juice
Sugar gel for mouth
IM glucagon 1mg
IV dextrose - 50ml 50% (destroy veins) 200ml 10% or 100ml 20%
17
Q

How is hypoglycaemia managed in the long term?

A

Small meals
Avoid refined carbs and simple sugars
Diazoxide can be used if chronic

18
Q

Outline the epidemiology of hypothyroidism in children

A

1 in 4000

Twice as likely in girls

19
Q

What are the possible causes for hypothyroidism in children?

A

Hypothalmic/pituitary dysfunction - 5%
Thyroid gland insufficiency - 75%
Problem with thyroid hormone - 10%

20
Q

How can hypothalmic/pituitary gland cause hypothyroidism?

A

Ischaemic damage, tumour or other congenital defect can result in reduced stimulation of the thyroid gland

Other pituitary disorders seen

21
Q

What abnormalities can be seen with the thyroid gland?

A

Missing
Ectopic
Underdeveloped

22
Q

What problems can be seen with the thyroid hormone?

A

TSH unresponsive

Thyroglobulin structure defect

23
Q

How can hypothyroidism present?

A

Constipation
Macroglossia
Prolonged jaundice
Hypotonia

Feeding difficulty
Drowsy
Cry
Large fontanelle
Myxoedema
Low temp
Nasal obstruction
Cardiomegaly
24
Q

If hypothyroidism isn’t picked up, what can be seen in children?

A
Short
Depressed nasal bridge
Narrow palpebral fissure
Swollen eyelids
Hypertelorism - wide spaced eyes
Delayed mental development and learning difficulty
25
Q

How is hypothyroidism picked up?

A

High TSH and low T4 on screening

26
Q

What is transient hypothyroidism?

A

Maternal carbimazole use

OR

Maternal autoantibodies cross placenta and block baby thyroid function

27
Q

How is transient hypothyroidism treated?

A

None needed unless persist for >2 weeks

Improve after delivery

28
Q

How is hypothyroidism treated?

A

I-thyroxine

Regular monitoring of TFT, growth and milestones

29
Q

What is childhood hypothyroidism?

A

Develop in childhood

Usually Hashimoto’s autoimmune thyroiditis

Can be de-quervain or acute suppurative thyroiditis

30
Q

What are the risk factors for childhood hypothyroidism?

A

Turners

Downs

31
Q

What are the signs of childhood hypothyroidism?

A

Slowing of growth
Delayed puberty
Same signs as adults