Term
| CONDITIONS AFFECTING AUDITORY NERVE & AUDITORY PATHWAYS |
|
Definition
1. acoustic tumors
2. neurofibromatosis
3. auditory neuropathy/dysscnchrony |
|
|
Term
|
Definition
tend to be benign
press against adjacent structures |
|
|
Term
| incidence of acoustic tumors |
|
Definition
|
|
Term
Acoustic Tumor:
Diagnose
HL
Tx |
|
Definition
via MRI diagnose
typically complain Tinnitus
HL: progressive, unilateral
Tx: remove tumore & patients lose hearing in that ear often |
|
|
Term
NEUROFIBROMATOSIS
-how get it
-cuases...-
HL
TX |
|
Definition
inherited/genetically transmitted
causes multiple neuromas or sensory nerves
usually bilateral acoustic neuromas
HL: depends on how large/location
Tx: fit HL with HA or attempts to remove neuromas if possible |
|
|
Term
| AUDITORY NEUROPATHY.DYSSNCHRONY |
|
Definition
outer hair cell of inner ear function WNL
problem is with medial primary auditory neuron segments
characteristic of HL/sometimes children function as if deaf and really not
TX: cochlear implant, HA, sometimes no TX |
|
|
Term
|
Definition
1: basic well baby
2: intermediate
3: Neo-Natal Intensive Care Unit |
|
|
Term
|
Definition
| first pediatrician then continues on for specialty in critical care infants |
|
|
Term
| EGA: Estimating Gestational Age |
|
Definition
-lanugo: fine soft hair
Cartilage development of ear (pinna)
Genitalia
Skin appearance
Categoriza: SGA, LGA, AGA |
|
|
Term
|
Definition
insufficiency of placenta
chromosomal anomalities
infection of mother in fetus
drugs, alcohol, smoking
malnutrition |
|
|
Term
| Premature Baby High Risk for HL and SL |
|
Definition
22-25 weeks gestation
eyes fused shut
skin not yet lanugo
ears soft & folded
cartilage not thickened
beds in NICU:
warmer, isolette |
|
|
Term
Prenatal HL Causes:
HL occurs in ____ births
___% Hereditary
____% Syndromic
___% nonsyndromic |
|
Definition
Prenatal HL Causes:
HL occurs in 3/1,000 births
60% Hereditary
30% Syndromic
70% nonsyndromic |
|
|
Term
| Most Common Birth Defect: |
|
Definition
Hearing Loss
3/1,000 Births |
|
|
Term
| Most Common Pattern Transmission of HL: |
|
Definition
|
|
Term
| __% Deaf children have hearing parents |
|
Definition
|
|
Term
PRENATAL CAUSES:
INNER EAR STRUCTURAL MALFORMATION |
|
Definition
choclea fully formed by week 9
arrest in development may lead to HL
20% of children and congenital SNHL
deformities classified with CT scan |
|
|
Term
PRENATAL CAUSES:
CRS: Congenital Rubella Syndrome |
|
Definition
Measles
progressive & significant
IUGR (intrauterine Growth Retardation)
fetus not growing |
|
|
Term
PRENATAL CAUSES:
CMV: Cytomegalovirus |
|
Definition
modern day CRS
member of herpes family
contact with secretions
HL: babies often deaf or other delays
Test by Tyder Test |
|
|
Term
|
Definition
Prenatally - placenta
perinatally - cervix
postnatally - milk |
|
|
Term
| Most common viral infection of human fetus is: |
|
Definition
|
|
Term
PRENATAL CAUSES:
TOXOPLASMOSIS |
|
Definition
parasite in domestic/wild animals
infection asymptomatic
HL: severe-profound |
|
|
Term
|
Definition
STD from mother
Tx: penicillin during pregnancy |
|
|
Term
|
Definition
HL: typically secondary to ototoxic drugs - SNHL
growth retardation, premature birth |
|
|
Term
| HIV risk of transission of infected mother to fetus is ___% |
|
Definition
|
|
Term
PRENATAL CAUSES:
HSV-HERPES SIMPLEX VIRUS |
|
Definition
direct contact with infected individual
during birth process with mother with an active infection
Csection recommended
SNHL |
|
|
Term
PRENATAL CAUSES:
MATERNAL-FETAL BLOOD GROUP INCOMPATIBILITY |
|
Definition
mother can develop antibodies against her fetus's blood
give RhoGAM after birth
HL: more problem of past |
|
|
Term
|
Definition
Anoxia - not enough oxygen, chord
Prematurity
Trauma to fetal head during birth |
|
|
Term
| Prematurity is defined by |
|
Definition
| weight (less than 1500 g 3.5 lbs @ risk for HL) |
|
|
Term
PRENATAL CAUSES:
MAS: MECONIUM ASPIRATION SYNDROME |
|
Definition
some babies pass meconium (first stool) in utero and aspirate
prevent: suction before first breath
HL: depends on how much aspirate - SNHL |
|
|
Term
PRENATAL CAUSES:
INTRACRANIAL HEMORRHAGE |
|
Definition
bleeding in brain/skull
IVH
Severity Grades 1-4
hydrocephalus
HL: SNHL |
|
|
Term
| Most Common Disorder of Prematurity is |
|
Definition
|
|
Term
POST NATAL CAUSES:
typical |
|
Definition
-meningitis
measles/mumps
syphilis
HL: SNHL |
|
|
Term
POST NATAL:
HYPERBILIRUBINEMIA |
|
Definition
severe jaundice
significant in many premature infants
toxic to CNS
tx: phototherapy |
|
|
Term
|
Definition
| when jaundice is toxic to CNS |
|
|
