Physical Growth Flashcards
Height
height increase by 50% by 1yo 2yo height = 1/2 adult height doubles by 4yo triples by 13yo *average birth length 50cm 6cm/yr prior to puberty peak height velocity Tanner stg II/III in girls, stg IV in boys predicted adult height: mid-parental height +/- 4 inches
Head Circumference
normal NB HC 35cm
2cm/mo 0-3mos
1cm/mo 3-6mos
0.5cm/mo 6-12mos
Weight
doubles by 5mos
triples by 12mos
quadruples by 24mos
Type I FTT/Growth Deficiency
Weight low, Height/HC wnl
Calorie deficiency- usually social
Type II FTT/Growth Deficiency
Weight/Height low, HC wnl
genetic, endocrine, constitutional, heart dz, renal dz, skeletal dysplasia
Type III FTT/Growth Deficiency
Weight, Height and HC all low
CNS dz, chromosomal abnl, perinatal injury
Daily Weight Gain
0-3mos: 20-30g/d 3-6mos: 15-20g/d 6-9mos: 10-15g/d 9-12mos: 6-11g/d 12-18mos: 5-8g/d 18-24mos: 3-7g/d
GH Treatment
increase ~⅓ inch or a little less than 1cm yearly
GH Deficiency
low/normal weight
LOW height
could also be hypothyroidism
Types of FTT General Rules
Weight most affected: caloric intake
Height most affected: endocrine
HC affected: chromosomal
Vision
Fix and follow: 6 weeks
Color vision: 2 months
Binocular vision/convergence: 3 months