16 331 Pediatric Sensorineural HL

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Author:
shanamd2011
ID:
149296
Filename:
16 331 Pediatric Sensorineural HL
Updated:
2012-04-22 13:49:09
Tags:
pediatric sensorineural hearing loss
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Description:
pediatric sensorineural hearing loss
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  1. endogenous
    hearing loss is within the zygote
  2. exogenous
    • pregnant lady who gets injured or gets a virus
    • coming from the outside
    • not present in conception
  3. most common syndrome
    • down syndrome
    • chromosome problem
  4. prenatal
    before birth
  5. congenital
    at birth
  6. perinatal
    • the period around birth
    • 28 weeks gestation to 7 days old
  7. types of hereditary hearing loss 3
    • autosomal dominant
    • autosomal recessive
    • sex-linked
  8. recessive disorders tend to be...
    • worse than dominant disorders
    • and they never flush out of the gene pool
  9. what do/have we used to test infant hearing
    • previously used a list of risk factors
    • now we use neonato screening
  10. prenatal infections ((S)TORCH Complex)
    • syphilis
    • toxoplasmosis
    • other (AIDS)
    • rubella
    • cytomegalovirus (CMV)
    • Herpes simplex
  11. what are the 2 bacteris infections of STORCH
    • syphilis - STI delayed onset to teen years
    • Toxoplasmosis - caused by eating raw meat and cat poop
  12. what are the 4 viral infections of STORCH
    • other (AIDS) - 70 million ppl infected
    • Rubella - German measles, effects fetus during first trimester, 1964 last big epedemic
    • Cytomegalovirus (CMV) - by age 50, 99% of ppl are infected, only effects the fetus badly, like the flu
    • Herpes simplex - 1/4 of ppl, this one effects the ear unlike the STI
  13. the placenta acts as a ___, but cannot ___
    • filter
    • filter viruses because they are too small
  14. postnatal infections 4
    • Bacterial Meningitis
    • Mumps
    • measles
    • herpes zoster oticus
  15. bacterial meningitis
    • very contagious
    • inflammation of the meninges around beain caused by bacteria
  16. mumps
    • used to be a childhood disease
    • now very rare
    • causes unilateral hearing loss
    • virus
    • in adult males is can be catistrafic
  17. measles
    • virus
    • Rubeolla
    • outbreaks used to occur frequently after spring break
  18. herpes zoster oticus
    • herpes of the ear
    • not the STI, but acts like it
    • appears to be acne only around the ear
    • AuD MUST wear gloves
  19. PDE Prenatal Drug Exposure Infants
    • fetal alcohol syndrome
    • crack
    • heroine
    • cigarette smoke
    • marijauna
  20. fetal alcohol syndrome
    • if you have one kid with this, you will usually have 2-3
    • very common
    • barrell shaped body with toothpick arms and legs
    • cleft palate is common in this population
  21. crack baby
    • not very good data
    • worst because the baby will not bond with mother and is very fussy
    • they have gaze aversion
    • many become victims of child abuse
  22. Heroin baby
    • baby addicted at birth and must go through withdrawl
    • no long term effects known
  23. effects of cigarette smoke
    decrease in birth rate of these children even if it is second hand smoke
  24. marijuana baby
    causes the child to be oxygen deprived

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