Developmental Delay

Question 1

Define developmental delay?

Answer 1

failure to attain appropriate developmental milestones for a childs corrected chronological age

Question 2

Give examples of a global delay?

Answer 2

affects many areas of development

Downs Syndrome

Question 3

Give examples of a specific delay?

Answer 3

Motor: Duchennes muscular dystrophy, cerebral palsy
Language: language impairment
Sensory deficits: oculocutaneous albinisms, treacher collins

Question 4

Give examples of a developmental deviation?

Answer 4

Autism

Question 5

Give examples of a developmental regression?

Answer 5

Retts syndrome

metabolic diseases

Question 6

What are the 7 red flags for development?

Answer 6

asymmetry of movement
not reaching for objects by 6 months
unable to sit unsupported by 12 months
unable to walk by 18 months 
no speech by 18 months
concerns re vision or hearing
loss of skills

Question 7

What should be checked if a child is unable to walk by 18 months?

Answer 7

CK as they could have muscular dystrophy

Question 8

What is the diagnostic criteria for a global developmental delay?

Answer 8

significant delay in 2+ of:
gross/fine motor skills
speech/language
social/personal
ADL
cognition

Question 9

How are developmental delays investigated?

Answer 9

chromosomes, FRAX, oligoarray CGH
neonatal PKU, thyroid studies, CK
MRI brain, EGC, metabolic studies, genetic consultation