Growth Flashcards
all primary teeth erupt by
3 year old
permanent teeth start to erupt by
6 years old
full permanent dentition completed by
13 year old
neonatal teeth erupts at
1 month of age
surgical closure of cleft lip
3 months of age
procedure: modification of Millard rotation adjustment technique
when is the best time to revise the initial repair of cleft lip?
4 to 5 years old
closure of cleft palate
<1 year old to enhance normal speech development
most common neurobehavioral disorder in children
ADHD
- Inattention
- Hyperactivity and Impulsivity
diagnosis of ADHD
symptoms must be: present more than 6 months age before 12yo present in 2 settings not attributed to another disorder
what are the structural and functional abnormalities in patients with ADHD?
decreased cortical volume
dysregulation of subcortical units
widespread, small volume reduction
abnormalities of cerebellum
what are the imaging findings in patients with dyslexia?
inefficient functioning of left hemisphere posterior brainstem
manifestations of Dyslexia
problems in both spoken and written words
labored, effortful approach to reading involving decoding word recognition and text reading
what are the 3 major areas affected in ASD?
reciprocal social interactions
nonverbal communication
understanding of social relationships
screening for patients to diagnose ASD
all children 18 months and 24 months
increased risk in patients with sibling diagnosed with ASD
treatment for ASD
applied behavioral therapy
speech and language therapy
no medications to treat core symptoms
Intranasal therapy with neuropeptide Oxytocin
stimulants: Atomoxetine, Benzodiazepines (anxiety)
Melatonin, Clonidine (sleep onset)
what are the common heart defects in Down syndrome?
AV septal defects, VSD, PDA, TOF
What are the diseases associated with Down syndrome?
Pulmo: recurrent infections, tracheobronchomalacia, tracheal bronchus, pulmo HPN, Asthma
GI: Celiac disease, hypothyroidism
Others: megakaryoblastic anemia, DM, seizures, alopecia, JIA, problems with hearing and vision
males are mostly sterile
females may conceive (50%)
**developmental delay is universal
Freudian theory
idea of body centered, “sexual” drives
infancy (0-1) : Oral Toddler (2-3): Anal Preschool (3-6) : Phallic/Oedipal School age (6-12): Latency Adolescent (12-20): Genital
Erickson
Psychosocial
infancy (0-1) : Trust vs mistrust
Toddler (2-3): autonomy vs shame
Preschool (3-6) : initiative vs guilt
School age (6-12): industry vs inferiority
Adolescent (12-20): Identity vs role diffusion
Piaget theory
Cognitive
infancy (0-1) : Sensorimotor Toddler (2-3): Sensorimotor Preschool (3-6) : Preoperational School age (6-12): Concrete operations Adolescent (12-20): Formal operations
Kholberg
Moral
infancy (0-1) : –
Toddler (2-3): preconventional/ avoid punishment
Preschool (3-6) : conventional; conformity
School age (6-12): conventiona; law and order
Adolescent (12-20): postconventional; moral principles
what happens during the 1st year of life? (Brain volume)
- total brain volume doubles; increases by additional 15% (2nd year)
- myelination begins in 7-8months gestation –> adol/young adult
- posterior to anterior
physiologic weight loss in newborns
via vaginal delivery: 10%
via CS: 12%
*regain by 2nd week
*weight gain 30g/day during the 1st month
Neonates are
- nearsighted
- with focal length of 8-12inches
- hearing well developed; turns toward female voice
by ___ months, birth weight is doubled
4 months
- growth 20g/ day
- diappearance of tonic neck reflex
- regular sleep-wake cycle pattern (14-16/24hr) with 2 naps/ day
what happens during the 1st birthday?
- birth weight has tripled
- length increased by 50%
- Head circumference increased by 10cm
thumb-finger grasp
9months
neat pincer grasp
12 months
first tooth to errupt
mandibular central incisors
object permanence
9 months
tantrums make 1st appearance; stranger anxiety
6-12 months
multisyllabic sounds (“ba-da-ma”)
canonical babbling (8-10mos)
introduction of transitional object
6-12 months
what is infant colic?
“rule of 3”
- occurs in healthy infant beginning in 2nd or 3rd week of life
- lasts about 3hr/day
- occurs 3 days/week
- lasts more than 3 weeks
emergence of symbolic thought and language causes reorganization of of behavior
18 months
make believe play
2nd year
polysyllabic jargoning
2nd year
by this age, average child points to major parts of the body
15 months
by ___ months, child is half their ultimate adult height
24 months
object permanence
18 months
visual acuity for 3 yrs old
20/30
visual acuity for 4 yrs old
20/20
birth weight quadruples by
2.5yrs
handedness established at
3yo
bed wetting is common up to what age?
5 yo
loss of deciduous teeth
6yrs old
at 9yrs old, how many permanent teeth does a person have?
8 permanent incisor
4 permanent pre-molar
achievement of height velocity that is less than expected for a child’s age and sex or a downward crossing of more than 2 percentile lines for height on the growth chart
Growth failure
defined as growing either below expected genetic potential or growing below -2 SD for age and sex
Short stature
cruder method for assessing growth failure in premature infants
subract weeks of prematurity from the postnatal age when plotting growth parameters
What is constitutional growth delay?
weight and height decrease near the end of infancy; parallel the norm through middle childhood and accelerate toward the end of adolescence with achievement of normal adult height
what is familial short stature?
- both the infant/child and the parent(s) are small; growth runs parallel to and just below the normal curves
- bone age is normal comparable to chronological age
can provide skeletal maturation information
Bone age
*radiograph of left hand and wrist
delay in bone age comparable to height age
constitutional delay, short stature, undernutrition