Down Syndrome - Download as PowerPoint

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Down Syndrome - Download as PowerPoint Powered By Docstoc
					By Robbie Stern
Symptoms
 50 identifiable characteristics
 Mental Retardation
 Prone to Certain Diseases
     Hypothyroidium, Hearing Loss, Respiratory
     Infections
 Reach developmental milestones late
 Males are sterile
Symptoms (Continued)
   Physical characteristics
     Short stature
     Weak muscles
     Extra fat and skin on neck
     Stocky arms and legs
     Small Ears
     Irregular mouth and tongue
     Flat nose bridge
     Crooked teeth
Causes
   Trisomy 21
     Nondisjunction during cell division causes
      there to be 3 chromosome 21s
     Usually occurs in the egg
   More likely to occur when
     Mother is at least 35 years old
     Father is at least 40 years old
   Translocation-Type
     Directly inherited
Treatment
   No medicine exists
     Medicine is only used to treat diseases
     associated with Down Syndrome
 Regular medical check-ups
 Help manage child’s changes
 Encourage him or her to be independent
 Physical therapy
 Speech therapy
Can we screen for DS?
   Yes!
     Before birth
      ○ Fetal ultrasound in 1st trimester
      ○ Maternal serum triple/quadruple screen tests
        in 2nd trimester
      ○ Genetic testing for translocation-type DS
         4% of people with DS

     After Birth
      ○ Look for diseases and physical characteristics
        associated with DS
Can we screen for DS? (Continued)
   Best and most sure way
     Karyotyping
      ○ Look for 3 chromosome 21s
Who’s Affected?
   1 out of 800 people have DS
     Race has no effect on this number
   More likely when mother is at least 35
    years old and father is at least 40 years
    old
Their Everyday Life
   Most adults function in regular society
     Have friends, relationships, jobs
   Children go to school
     May be teased or bullied for looking different
     Many are in specialized classes
   Life Expectancy has been extended
     49 years old, though about 50% live into
     their 50s
Bibliography
   www.children.webmd.com
   www.kidshealth.org
   www.netterimages.com
   eapbiofield.wikispaces.com
   www.foietlumiere.org
   http://i.ehow.com/images/GlobalPhoto/Articles/
    4529029/adrian-main_Full.jpg
   http://www.christopherappoldt.com/blog_image
    s/child-portraits-long-island-ny.jpg
   www.biology.iupui.edu
   http://2005.adelaidefilmfestival.org/splash.html

				
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posted:9/13/2012
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