down syndrome Flashcards
in down syndrome how many copies are the 21st chromosome
3 copies
why is down syndrome called trisonomy 21
becuase there are 3 copies of the chromosome 21
what pediatric disorder is the most common cause of mental retardation
down syndrome
what are some risk factors for down syndrome
drug use
x-ray
hormone problems
what are the prediagnostic methods in pregnancy i.e how they diagnose down synd when youre still preg
triple and quadruple screening test
amniocentesis,, a needle biopsy from the amniotic fluid
cvs,,
what is the most accurate prediognostic method
cvs and amniocentesis
what are the types of down syndrome
trisonomy 21
translocation and mosaic down syndrome
what happens in the translocation type of down syndrome
there is an extra 21st chromosome attached to another chromosome
what happens in mosaic
there are some chromosomes with a total of 47 while some are 46 but the one with 47 has an extra pair of 21st chromosome
factors affecting gross motor development
hypotonia
ligament laxity
decrease in muscle strength
short arms and legs
in which pediatrci disorder is the simian line seen
down syndrome
some orthopedic disorders
kyphosis
posterior pelvic tilt
genu recurvatum
hip dislocation
at what age do children with down syndrome acheive motor development stage
ambulated at 24 months
what are some medical problems that can be seen
leukemia
dental problem
cognitive
hearing
respiratory
what do we evaluate in down syndrome
posture
compensation
stability
strength