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obstructive sleep apnea
.
13
Health Care
Graduate
09/01/2009

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Cards

Term
3 types of apnea:
Definition
obstructive, central (neural), mixed
Term
types within obsrtuctive sleep apnea:
Definition
anatomic and neural
Term
which structures are problems in obstructive sleep apnea?
Definition
nasal congestion, tonsils, soft palate, tongue, facial malformations
Term
pathophys of neural OSA:
Definition
upper aiway dialator activity is not in sync with inspiratory pump muscles
Term
2 causes of nasopharynx obstruction:
Definition
deviated septum, nasal polyps
Term
3 causes of oropharnyx obstruction:
Definition
1. elongated soft palate
2. redundant peripharyngeal tissue
3. enlarged uvula
Term
2 causes for hypopharynx obstruction:
Definition
1. small or reduced jaw
2. enlarged tongue
Term
6 presentations for OSA:
Definition
1. periods of silence terminated by loud snoring
2. daytime sleepiness
3. obesity
4. large neck circumfrence (17")
5. hypercapnea
6. polycythemia
Term
what score on the Epworth Sleepiness Scale may be indicative of OSA?
Definition
>10
Term
What is the gold standard for Dx of DSA?
Definition
polysomnography
Term
what 7 things does polysomnography measure?
Definition
1. sleep stages (EEG)
2. respiratory efforts
3. airflow
4. arterial O2 saturation
5. cardiac rate and rythm
6. body position
7. Limb movements
Term
what is the first line therapy for OSA?
Definition
CPAP
Term
what are the top 4 surgical options for OSA?
Definition
1. palatoplasty
2. septoplasty
3. tonsillectomy
4. turbinate reduction
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