Growth Charts Flashcards

1
Q

What colour are boys growth charts?

A

blue

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2
Q

What colour are girls growth charts?

A

pink

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3
Q

What is a zscore?

A

number of SDs away from the mean

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4
Q

What are the secular trends of the growth chart?

A

over the past 30years, children are now taller and fatter, which indicates a shift to the right

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5
Q

What is the standard deviation?

A

the measure of variability

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6
Q

What is the 95% reference range?

A

2 SDs away from the mean

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7
Q

What is the average age for a girl to enter puberty?

A

11

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8
Q

What is the average age for a boy to enter puberty?

A

11 and a half

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9
Q

What is a pubertal delay for girls?

A

13

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10
Q

What is a pubertal delay for boys?

A

14

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11
Q

What is precocious puberty for girls?

A

<8years

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12
Q

What is precocious puberty for boys?

A

<9 years

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13
Q

What is Leptin stimulated by? What is it responsible for?

A

body fat

responsible for stimulating gonadotrophins

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14
Q

Why do fat people go through puberty earlier?

A

more leptin is stimulated

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15
Q

What scale is used for staging puberty?

A

Tanner puberty staging

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16
Q

What is 1-5 on the Tanner puberty staging?

A

1 - pre pubertal

5 - adult

17
Q

What does thelarche mean?

A

breast budding

18
Q

What does adrenarche mean?

A

body hair and odour

19
Q

What does menarche mean?

A

period starts

2 years post thelarche

20
Q

What investigations can be done to diagnose growth problems?

A
Bloods - for gonadotrophins, IGF-1, testosterone/oestradiol, thyroid, karyotype
Bone age - X ray of non dominant hand
USS uterus - endometrial thickening 
MRI brain
Dynamic function tests
21
Q

What is the average age for a boy to have his pubertal growth spurt?

A

14 years

22
Q

What is the average age for a girl to have her pubertal growth spurt?

A

12 years

23
Q

How can you estimate a childs future height?

A

mid parental height