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sleep disorders
RESP171
Question | Answer |
---|---|
Facts about sleep apnea (OSA)? | a.It has an equivalent prevalence to diabetes in the general population. b.It has an equivalent prevalence to asthma in the general population c.The spectrum of the disease includes sleep disruption related to increased airway resistance |
Conditions associated with CSA | a.CHF b.High altitude hypoxemia c.primary central nervous system lesions |
What percentage of the adult population is believed to have Obstructie Sleep Apnea (OSA)? | 2-4% |
The definition of sleep apnea uses what criteria for defining an episode of apnea? | 10 seconds |
What term is used to describe a significant decrease in airflow during sleep but not a complete cessation of breathing? | hypopnea |
What is the primary cause of OSA? | A small or unstable pharyngeal airway |
Side effects of untreated OSA | a.myocardial infarction b.pulmonary hypertension c.right or left sided heart failure |
what is the name of the respiratory pattern when a cresendo-secrescendo pattern of hyperpnea alternates with periods of apnea and is often associated with central sleep apnea? | Cheyne-Stokes respirations |
Which of the following complaints is frequently seen in patients with sleep apnea? | Excessive daytime sleepiness |
Which of the following physical exam findings is typically associated with OSA in children? | Large tonsils |
Which of the following are typically monitored with a polysomnogram? | a.breathing effort b.SpO2 c.EEG *exhaled CO2 is NOT monitored |
Which parameters are used to confirm the Metabolic Syndrome associated with OSA? | a.insulin resistance b.hypertension c.impaired glucose tolerance *low triglyceride are NOT used |
What value is consistent with moderate OSA? | 15-30 |
AHI | Apnea-hypopnea index |
Which of the following behavioral interventions is LEAST useful in the treatment of sleep apnea? | Avoidance of day-time naps |
Which of the following medical therapies is considered first-line treatment for OSA | CPAP therapy |
What is the amount of CPAP that is typically required to abolish upper airway obstruction in patients with OSA? | 7.5 - 12.5 cmH2O |
How does CPAP improve breathing in the patient with OSA? | pneumatic splinting of the upper airway |
What is considered to be a major problem with the uses of CPAP in patients with OSA? | patient compliance |
How BiPAP units differ from CPAP units? | a.BiPAP applies different levels of pressure on inspiration and expiration. b.BiPAP operates on electricity c.BiPAP stimulates spontaneous breathing |
What term is used to describe CPAP units that use a computer to adjust CPAP levels as needed by the patient during sleep? | Auto-CPAP |
Common side effects of positive pressure therapy. | a.claustrophobia b.skin irritation c.dry nasal mucosa |
Some patients with OSA also have co-existing COPD. This is referred to as ____. | overlap syndrome |
What is the criteria to define hypopnea? A ___%decrease in airflow and __%decrease in oxygen saturation. | 30, 4 |
Central sleep apnea occurs more often thatn obstructive sleep apnea. T or F? | False |
metabolic syndrome (apple or pair shape) | 3 of these -waist circumference 102 cm or greater in men, 88 cm women -hypertension -impaired glucose tolerance -insulin resistance -elevated triglyceride -apple shape These things conribute to poor sleep and OSA.?? |